The collections of Tun Hussein Onn Sunway Library are arranged according to the Library of Congress Classification Scheme, except for feature films.
| A | General Works | |
| AC | Collections; Series; Collected works | |
| AE | Encyclopedias | |
| AG | Dictionaries and other general reference works | |
| AI | Indexes | |
| AM | Museums; Collectors and collecting | |
| AN | Newspapers | |
| AP | Periodicals | |
| B | Philosophy, Psychology, Religion | |
| B | Philosophy (General) | |
| BC | Logic | |
| BD | Speculative philology | |
| BF | Psychology; Parapsychology; Occult Sciences | |
| BH | Aesthetics | |
| BJ | Ethics; Social usages; Etiquette | |
| BL | Religions; Mythology; Rationalism | |
| BM | Judaism | |
| BP | Islam; Bahaism; Theosophy | |
| BQ | Buddhism | |
| BR | Christianity | |
| BS | The Bible | |
| BT | Doctrinal Theology | |
| BV | Practical Theology | |
| BX | Christian denominations | |
| C | Auxiliary Sciences of History | |
| C | Auxiliary sciences of history (General) | |
| CB | History of civilization | |
| CC | Archaeology | |
| CT | Biography | |
| D | History: General and Old World | |
| D | History (General) | |
| DA - DR | History of Europe | |
| DS | History of Asia | |
| DT | History of Africa | |
| DU | History of Oceania (South Seas) | |
| E | History: America General and United States | |
| F | History: United States Local History. Canada | |
| G | Geography, Anthropology, Recreation | |
| G | Geography (General); Atlases; Maps; Tourism | |
| GA | Mathematical geography; Cartography | |
| GB | Physical geography | |
| GC | Oceanography | |
| GE | Environmental sciences | |
| GF | Human ecology; Anthropogeography | |
| GN | Anthropology | |
| GR | Folklore | |
| GT | Manners and customs (General) | |
| GV | Recreation. Leisure | |
| H | Social Sciences | |
| H | Social Sciences (General) | |
| HA | Statistics | |
| HB | Economic theory; Demography | |
| HD | Management; Agriculture industry; Labor and special industries | |
| HE | Transportation and communications | |
| HF | Commerce; Business; Marketing; Accounting; Auditing | |
| HG | Finance; Banks and banking | |
| HJ | Public finance; Taxation | |
| HM | Sociology | |
| HN | Social history and conditions; Social reform | |
| HQ | The family; Marriage; Women | |
| HS | Societies: Secret, benevolent, etc. | |
| HT | Communities; Classes; Races | |
| HV | Social pathology; Social and public welfare; Criminology | |
| HX | Socialism; Communism; Anarchism | |
| J | Political Sciences | |
| J | General legislative and executive papers | |
| JA | Political science (General) | |
| JC | Political theory; Theories of the state | |
| JF - JG | Political institutions and public administration | |
| JK | United States | |
| JN | Europe | |
| JQ | Asia, Africa, Australia, etc. | |
| JS | Local government; Municipal government | |
| JV | Colonies and colonization; Emigration and immigration; International migration | |
| JZ | International relations; International arbitration | |
| K | Law | |
| K | Law of general; Comparative and uniform law | |
| KD | Law of United Kingdom and Ireland | |
| KE | Law of Canada | |
| KF | Law of the United States | |
| KJ | Law of Europe | |
| KM - KPZ | Law of Asia | |
| KU - KWW | Law of Pacific Area | |
| KZ | Law of nations | |
| L | Education | |
| L | Education (General) | |
| LA | History of education | |
| LB | Theory and practice of education | |
| LC | Special aspects of education | |
| LD - LG | Individual institutions | |
| M | Music and Books on Music | |
| M | Music | |
| ML | Literature on music | |
| MT | Musical instruction and study | |
| N | Fine Arts | |
| N | Visual arts (General); Multimedia (Art) | |
| NA | Architecture | |
| NB | Sculpture | |
| NC | Drawing; Design; Illustration; Graphic arts | |
| ND | Painting | |
| NE | Print media | |
| NK | Decorative arts; Applied arts; Interior decoration | |
| NX | Arts in general | |
| P | Language and Literature | |
| P | Philology; Linguistic | |
| PA | Classical languages and literature | |
| PB | Modern European languages; Celtic languages | |
| PC | Romance philology and languages | |
| PE | English philology and languages | |
| PF | West Germanic philology and literature | |
| PG | Slavic, Baltic, Albanian languages and literature | |
| PJ | Oriental philology and languages | |
| PK | Indo-Iranian philology and languages | |
| PL | Eastern Asia, Africa and Oceania languages and literature | |
| PM | Hyperborean, Indian, and artificial languages | |
| PN1-6790 | Literature (General) | |
| PN1560-1590 | Performing Arts | |
| PN1600-3007.2 | Drama | |
| PN4001-4500.2 | Oratory | |
| PN4690-5650 | Journalism | |
| PQ | French, Italian, Spanish, Portuguese literature | |
| PR | English literature | |
| PS | American literature | |
| PT | German, Scandinavian literature | |
| PZ | Fiction and juvenile literature | |
| Q | Science | |
| Q | Science (General) | |
| QA | Mathematics; Computer science | |
| QB | Astronomy | |
| QC | Physics | |
| QD | Chemistry | |
| QE | Geology | |
| QH | Biology (General); Natural history (General) | |
| QK | Botany | |
| QL | Zoology | |
| QM | Human anatomy | |
| QP | Physiology | |
| QR | Microbiology | |
| R | Medicine | |
| R | Medicine (General) | |
| RA | Public aspects of medicine | |
| RB | Pathology | |
| RC | Internal medicine | |
| RD | Surgery | |
| RE | Ophthalmology | |
| RF | Otorhinolaryngology | |
| RG | Gynecology and obstetrics | |
| RJ | Pediatrics | |
| RK | Dentistry | |
| RL | Dermatology | |
| RM | Therapeutics; Pharmacology | |
| RS | Pharmacy and materia medica | |
| RT | Nursing | |
| RV | Botanic, Thomsonian, and eclectic medicine | |
| RX | Homeopathy | |
| RZ | Other systems of medicine | |
| S | Agriculture | |
| S | Agriculture (General) | |
| SB | Plant culture | |
| SD | Forestry | |
| SF | Animal culture | |
| SH | Aquaculture; Fisheries | |
| SK | Hunting sports | |
| T | Technology | |
| T | Technology (General); Information technology | |
| TA | Engineering (General); Civil engineering | |
| TC | Hydraulic engineering | |
| TD | Environment technology; Sanitary engineering | |
| TE | Highway engineering; Roads and pavements | |
| TF | Railway engineering and operation | |
| TG | Bridge engineering | |
| TH | Bridge construction | |
| TJ | Mechanical engineering and machinery | |
| TK | Electrical engineering; Electronics | |
| TK5105.5- 5105.9 | Computer networks | |
| TL | Motor vehicles; Aeronautics; Astronautics | |
| TN | Mining engineering; Metallurgy | |
| TP | Chemical engineering | |
| TR | Photography | |
| TS | Manufactures | |
| TT | Handicrafts; Arts and crafts | |
| TX | Hospitality; Home economics | |
| TX901 - 946.5 | Hospitality industry | |
| U | Military science | |
| V | Naval science | |
| Z | Library science | |
| Z665- 718.8 | Information science | |
| ZA3038- 5190 | Information resources | |
WP/079 Issue 3 28 July 2023