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Library of Congress Subject Areas (6472)
- B Philosophy. Psychology. Religion (1022)
  - B Philosophy (General) (3)
  - BL Religion (5)
  - BP Islam. Bahaism. Theosophy, etc (2)
  - Psychology (1005)
    - Aggressiveness (6)
      - Bullying (3)
    - Body image (26)
    - Child psychology (21)
    - Cognition (63)
    - Cognitive psychology (208)
    - Consciousness (2)
    - Emotional Intelligence (40)
    - Emotions (79)
      - Happiness (3)
      - Surprise (11)
    - Knowledge, Theory of (2)
    - Meaning (Psychology) (9)
      - Semantics (9)
    - Organisational Psychology (4)
    - Psychology, Applied (15)
      - Counseling (6)
    - Stress (Psychology) (143)
      - Post-traumatic stress disorder (56)
  - BJ Ethics (14)
    - Conduct of life (5)
      - Altruism (2)
      - Reliability (3)
        Information integrity (3)
        Data integrity (2)
    - Discipline (2)
- C Auxiliary Sciences of History (4)
  - CS Genealogy (2)
    - Celebrities (2)
  - Errors, inventions, etc. (2)
    - Conspiracy theories (2)
- D History General and Old World (282)
  - D History (General) (12)
    - D501 World War I (1)
    - D880 Developing Countries (3)
    - D901 Europe (General) (8)
  - DA Great Britain (191)
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      - Dublin (15)
  - DC France (9)
  - DK Russia. Soviet Union. Former Soviet Republics (1)
  - DS Asia (23)
  - DT Africa (48)
- E History America (6)
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  - E151 United States (General) (5)
- F History United States, Canada, Latin America (3)
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- G Geography. Anthropology. Recreation (281)
  - G Geography (General) (1)
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    - Environment (51)
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  - GF Human ecology. Anthropogeography (2)
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  - GN Anthropology (1)
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      - Computer Games. Video Games. (81)
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    - Sports (92)
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      - Sports Sponsorship (5)
- H Social Sciences (3100)
  - H Social Sciences (General) (9)
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  - HB Economic Theory (99)
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    - Entrepreneurship (75)
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    - Development Economics (5)
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    - Economic Recession (31)
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      - Power resources (1)
        Energy consumption (1)
  - HD Industries. Land use. Labor (1914)
    - Business Logistics (31)
      - Supply Chain Management (20)
      - Transportation of Goods and Trade Logistics (8)
    - HD28 Management. Industrial Management (1116)
      - Benchmarking (1)
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        Competitive Advantage (17)
      - Contingency Planning (4)
      - Human Resource Management (915)
        Absence Management (27)
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        Diversity (49)
        Effective Communication (14)
        Employee Retention (105)
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        Performance Management (372)
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        Motivation (120)
        Reward Management (32)
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        E-Recruitment (11)
        Training and Development (70)
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        Induction (6)
      - Knowledge Management (10)
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      - Management of Change (47)
        Downsizing of an organization (1)
      - Organisational Behaviour (55)
        Organisational Culture (41)
        Organisational Learning (8)
      - Strategic Management (39)
      - Teamwork (3)
      - Total Quality Management (8)
      - Business Communication (17)
        Internal Communication (6)
      - Conflict Resolution (13)
        Mediation (4)
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    - HD61 Risk Management (12)
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    - Issues of Labour and Work (559)
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        Women and Work (81)
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        Workplace Bullying (8)
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        Flexible work arrangements (16)
        Telecommuting (15)
      - Industrial Relations (79)
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        Multiculturalism in the Workplace (11)
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      - Quality of Work Life / Job Satisfaction (214)
      - Redundancy. Dismissal. (10)
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      - Talent Management (35)
    - Large Industry. Corporations. (59)
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      - Corporate Governance (41)
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    - New Business Enterprises (32)
    - Non Profit Organisations. Voluntary Sector. (63)
      - Carers (34)
    - Organisational Change (20)
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    - Small Business Sector (135)
    - Specific Industries (560)
      - Agriculture Industry (22)
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      - Aviation Industry (27)
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      - Hospitality Industry (73)
        Food service (1)
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      - Energy industries (2)
      - Funeral industry (1)
    - Trade Regulation (4)
  - HE Transportation and Communications (31)
    - Broadcasting Media (5)
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    - Water Transportation (3)
      - Shipping (3)
  - HF Commerce (710)
    - Customer Service (56)
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      - Mobile Commerce (4)
    - Foreign Investment (3)
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    - Industrial Marketing (3)
      - Business To Business Marketing (3)
    - Industrial Psychology (68)
      - Psychology of Leadership (2)
      - The Psychological Contract (17)
      - Workplace Stress (46)
    - Marketing (432)
      - Advertising (52)
        Endorsements in advertising (15)
      - Branding (73)
      - Consumer Behaviour (236)
      - Public Relations (5)
      - e Marketing (57)
      - Direct Marketing (3)
    - Personnel Management (20)
    - Telecommunications in Business (7)
      - Mobile Telephone Networks (2)
    - Business Ethics (34)
  - HG Finance (422)
    - Banking (93)
      - E-banking (28)
    - Credit. Debt. Loans. (50)
      - Bankruptcy (2)
    - Financial Services (87)
      - Irish Financial Services Centre (2)
    - Insurance (15)
    - International Finance. International Monetary System (10)
    - Investment (114)
      - Capital Formation (2)
      - Foreign Direct Investment (9)
      - Stock Exchange (33)
        Irish Stock Exchange (9)
      - Investment Companies. Investment Trusts. Mutual Funds. (28)
      - Investment Strategy (10)
      - Private equity (3)
    - Money (41)
      - Currency (33)
        Euro (Single European Currency) (3)
      - Digital currency (4)
        Cryptocurrencies (4)
    - Securities Markets (1)
    - Share Ownership (3)
    - Financial Management (16)
    - Fintech (29)
  - HJ Public Finance (10)
    - Taxation (6)
  - HM Sociology (184)
    - Leadership (100)
    - Organisational Behaviour (16)
      - Organisational Culture (10)
    - Groups and Organisations (8)
    - Information Science (57)
      - Communication (52)
        Medical Informatics (46)
  - HN Social history and conditions. Social problems. Social reform (58)
    - Community Development (44)
    - Prisons (5)
  - HQ The family. Marriage. Woman (255)
    - Children (123)
      - Child Development (82)
      - Children's Rights (2)
    - Gender (70)
    - Domestic Violence (10)
    - Relationships (7)
    - Sexual life (7)
      - Sexual minorities (7)
  - HS Societies secret benevolent etc (1)
  - HT Communities. Classes. Races (55)
    - Racism (3)
    - Rural Sociology (2)
    - Urban Sociology (14)
    - China (10)
    - Immigrant Communities (20)
  - HV Social pathology. Social and public welfare (204)
    - Asylum Seekers and Refugees (5)
    - Charity Organisations (15)
    - Child Protection (4)
    - Criminology (49)
      - Crimes and Offences (43)
        Cyber Crime (25)
        Harassment (1)
        Sexual harassment (1)
        Money Laundering (2)
    - Police. Garda. (9)
      - Garda Sichana Ombudsman Commission (1)
    - Discrimination (36)
      - Age discrimination (3)
    - Welfare of older people (64)
  - Economics (119)
    - Business (1)
      - Accounting (1)
    - Macroeconomics (10)
    - Microeconomics (53)
      - Production (Economic theory) (52)
        Industrial productivity (52)
        Labor productivity (51)
    - Wealth (12)
      - Income (5)
        Retirement income (5)
        Pensions (5)
      - Poverty (4)
        Homelessness (2)
- J Political Science (106)
  - JA Political science (General) (8)
  - JF Political institutions (General) (8)
    - Public Administration (6)
      - eGovernment (2)
  - JL Political institutions (America except United States) (2)
    - South America (1)
  - JN Political institutions (Europe) (26)
    - European Union (12)
    - Ireland (14)
      - Government Departments (9)
  - JQ Political institutions Asia (1)
  - JS Local government Municipal government (44)
    - Public Sector (44)
      - Social Partnership (2)
  - JV Colonies and colonization. Emigration and immigration. International migration (21)
    - International Migration (16)
      - Emigration (3)
      - Immigration (2)
  - JZ International relations (1)
- K Law (51)
  - Copyright Law (4)
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    - Human Rights Law (1)
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    - Justice, Administration of (2)
      - Criminal justice, Administration of (2)
        Restorative justice (2)
  - KDK Republic of Ireland (33)
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    - Intellectual Property Law (6)
    - Trial by jury (1)
  - Commercial law (6)
    - Competition, Unfair (2)
  - Conflict of laws (1)
  - Criminal law (2)
- L Education (587)
  - L Education (General) (46)
  - LB Theory and practice of education (406)
    - LB1501 Primary Education (21)
    - LB1603 Secondary Education. High schools (33)
    - LB2300 Higher Education (202)
      - Assessment (3)
      - College student orientation (6)
    - LB2361 Curriculum (2)
    - Teaching Personnel (34)
      - Primary School Teachers (9)
      - Secondary School Teachers (5)
    - Early childhood education (134)
  - LC Special aspects / Types of education (243)
    - Blended Learning (30)
    - Distance Learning (16)
      - M-Learning (Mobile Learning) (8)
    - E-Learning (153)
      - M-Learning (Mobile Learning) (8)
    - Home Schooling (3)
    - LC5201 Education extension. Adult education. Continuing education (32)
    - Literacy (13)
    - Self Regulated Learning (14)
    - Vocational Education (10)
      - Apprenticeships (3)
    - Education for the Learning Disabled (14)
    - Learning disabilities (12)
  - LF Individual institutions (Europe) (10)
  - Group work in education (4)
- M Music and Books on Music (35)
  - M Music (34)
  - MT Musical instruction and study (2)
- N Fine Arts (18)
  - N Visual arts (General) For photography, see TR (1)
  - ND Painting (1)
  - NE Print media (14)
  - NX Arts in general (2)
- P Language and Literature (133)
  - P Philology. Linguistics (120)
    - Language Acquisition (8)
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    - Computational linguistics. Natural language processing (80)
    - Semiotics (10)
      - Language. Linguistic theory (10)
        Gesture. Sign language (8)
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      - Press (2)
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  - PL Languages and literatures of Eastern Asia, Africa, Oceania (3)
    - Dravidian Languages (2)
- Q Science (2928)
  - Q Science (General) (430)
    - Research (7)
      - Research--Equipment and Supplies (3)
        Scientific apparatus and instruments (3)
        Physical instruments (3)
        Detectors (3)
        Remote sensing (3)
        Electronic surveillance (3)
        Video surveillance (1)
    - Self-organizing systems. Conscious automata (424)
      - Artificial intelligence (56)
        Computer vision (14)
      - Machine learning (389)
  - QA Mathematics (2804)
    - Multimedia Systems (4)
    - Problem Solving Theory (1)
    - Algebra (54)
      - Algorithms (54)
        Computer algorithms (53)
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        Robotics (1)
    - Computer software (1489)
      - Computer Security (407)
        Database security (8)
        Blockchains (Databases) (7)
      - File Sharing (2)
      - Mobile Phone Applications (177)
        Online dating (2)
      - Website Design (57)
    - Electronic computers. Computer science (2637)
      - Computer Systems (48)
        Computers (11)
        Electronic data processing (11)
        Programming languages (8)
        Information Storage and Retrieval Systems (26)
        Management Information Systems (8)
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  - QH Natural history (62)
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      - Methods of research. Technique. Experimental biology (58)
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    - Nutrition (15)
  - QR Microbiology (4)
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  - Life sciences (100)
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      - Pathology (92)
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        Cancer (88)
- R Medicine (624)
  - Healthcare Industry (201)
  - R Medicine (General) (45)
  - RA Public aspects of medicine (243)
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    - RA0421 Public health. Hygiene. Preventive Medicine (65)
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        Stress Management (11)
    - RA790 Mental Health (160)
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  - RT Nursing (26)
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      - Epidemics (6)
        COVID-19 Pandemic, 2020- (6)
- S Agriculture (37)
  - S Agriculture (General) (13)
    - Farming Industry (6)
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  - SF Animal culture (5)
    - Horses (5)
      - Horse Sport (5)
        Horse Racing (4)
  - SH Aquaculture. Fisheries. Angling (3)
- T Technology (3107)
  - T Technology (General) (2919)
    - T201 Patents. Trademarks (2)
    - Information Technology (2906)
      - Cloud computing (355)
      - Computer software (1489)
        Computer Security (407)
        Database security (8)
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        Mobile Phone Applications (177)
        Online dating (2)
        Website Design (57)
      - Electronic computers. Computer science (2637)
        Computer Systems (48)
        Computers (11)
        Electronic data processing (11)
        Programming languages (8)
        Information Storage and Retrieval Systems (26)
        Management Information Systems (8)
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      - Fintech (29)
  - TA Engineering (General). Civil engineering (General) (12)
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        Website Design (57)
    - Biometric Identification (4)
  - TL Motor vehicles. Aeronautics. Astronautics (42)
    - Motorcycles (1)
  - TR Photography (11)
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  - Biomedical engineering (26)
- U Military Science (3)
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- V Naval Science (1)
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- Z Bibliography. Library Science. Information Resources (426)
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  - ZA Information resources (416)
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      - Databases (7)
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    - ZA4150 Computer Network Resources (396)
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        Online Shopping (23)
        Websites (291)
        Online social networks (207)
        Web logs. Blogs. (10)
        Website Design (57)
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    - Research (7)
      - Research--Equipment and Supplies (3)
        Scientific apparatus and instruments (3)
        Physical instruments (3)
        Detectors (3)
        Remote sensing (3)
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        Video surveillance (1)
- A General Works (2)
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  - AZ History of Scholarship The Humanities (1)