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Library Collection Help
Library of Congress Classification System
The Carnegie Library of Pittsburgh uses the Library of Congress Classification System. The Library of Congress offers an overview of the classes. See our Library Subject Guide for more help with Subject Headings.
| Subject Area | LC Class |
| Abortion |
HQ 767 RG 648 RA 1067 |
| Adolescence |
HQ 35 LB 1135 RJ 550 |
| Aerobic Exercise | RA 781.15 |
| Aged & Aging |
RC 952-954.6 HV 1450-1493 HQ 1060-1064 |
| AIDS |
RC 607.A RA 644.A |
| Alcoholism |
RC 565
HV 5201-570 |
| Alternative Medicine | R 733 |
| Alzheimer's Disease | RC 522-524 |
| Anatomy, Human | QM |
| Anorexia Nervosa | RC 552.A |
| Anxiety | RC 531 |
| Arthritis | RC 933 |
| Artificial Insemination |
QP 251 RG 133-135 |
| Bulimia | RC 552.B |
| Cancer | RC 261-271 |
| Child Abuse | HV 713-742 |
| Child Care |
HQ 796 RJ 61-101 |
| Child Development |
LB 1101 HQ 771 |
| Child Psychology |
BF 721-723 HQ 767-772 LB 1115-1117 |
| Child Sexual Abuse | HQ 71-72 |
| Childbirth |
RG 525-761 RJ 61 HQ 769 |
| Depression, Mental | RC 537 |
| Dermatology |
RL, RV 381-391, RX 561-581 |
| Diabetes | RC 658.5-662 |
| Diet |
QP 141 TX 353-551 RA 784 RM 216 |
|
Dieting (Weight Control)
Reducing Diets |
RM 222.2, RC 628 |
|
Disabilities
(Handicapped) | HV 1553-1569 |
| Diseases | |
| Drug Abuse |
HV 5800-5940, RC 563-568 |
| Drugs | RM 300-RM 671 |
| Embryology | QL 951-991 |
| Euthanasia | R 726 |
| Exercise |
GV 461-547 RA 781 |
| Eye Disease | RE 46-51 |
| Fitness (Physical Fitness) | |
| Genetics | QH 430-438 |
| Handicapped | HV 1553-1569 |
| Handicapped Children |
HQ 772-773 HV 888 RJ 135-138 LC 4015-4019 |
|
Health, Personal
( Popular Medicine) | RA 773-790 |
| Health Care (Medical Care) | RA |
| Health Care Reform | RA |
| Health Care Reform - United States | RA |
| Heart Diseases | RC 681-688 |
| Heredity, Human | QH 431 |
| Homosexuality |
RC558 HQ75-76.8 |
| Hospitals | RA |
| Hygiene |
BJ1695 RA771-790 |
| Hypertension | RC682-685 |
| Immunology | QR181 |
| Learning Disabilities |
LC 4704 RJ 506 |
| Medicaid / Medicare |
HD 7102-7125 R 728 |
| Medicine | R |
| Mental Health |
RA RC |
| Mental Illness | RC 435-480 |
| Mentally Handicapped |
RC 570-571 RJ 506 HV 891 HQ 773 |
| Nurses & Nursing | RT |
| Nursing Homes | RA 997 |
| Nutrition |
QP 141 TX 353-551 RA 784 RM 216 |
| Occupational Therapy | RM 735-735.6 |
| Parenting |
HQ 772 HQ 759 |
| Phobias | RC 535 |
| Physical therapy | RM 695-727 |
| Physically Handicapped | HV 3011-3024 |
| Physiology | QP |
| Plague | RC 171-179 |
| Pregnancy |
RG520-648, HQ536, RJ61 |
| Psychiatry | RC336-455 |
| Psychology | BF 39-833 |
| Schizophrenia | RC 514 |
| Senior Citizens |
RC 952-954.6 HV 130-1493 HQ 1060-1064 |
| Sex |
HQ 21-31 BF 692 |
| Sexually Transmitted Diseases (STD) |
RA 644.U4 RC 200 - RC 203 |
| Sickle Cell Anemia | RC 641.7.S5 |
| Smoking |
HV 5725-5770 RC 567 |
| Stress (Psychology) |
BF 575.S75 HQ 536 RA 785 |
| Substance Abuse | RC 563-568 |
| Sudden Infant Death Syndrome (SIDS) | RJ 320 |
| Suicide |
HV 6543-6548
RC 569 RA 1136 |
| Teenage Pregnancy |
HQ 759
RG 556 |
| Teenage Suicide | HV 6546 |
| Viruses | QR |
| Vitamins |
TX 553.V5 QP 771 RM 259-266 |
| Yoga |
B132.Y6 RA781 RM727.Y64 |
