LIBRARY OF CONGRESS CLASSIFICATION OUTLINE CLASS R - MEDICINE Subclass R R5-920 Medicine (General R5-130.5 General works R131-687 History of medicine. Medical expeditions R690-697 Medicine as a profession. Physicians R702-703 Medicine and the humanities. Medicine relation to history, literature, etc. R711-713.97 Directories R722-722.32 Missionary medicine. Medical missionaries R723-726 Medical philosophy. Medical ethics and disease in R726.5-726.8 Dying R727-727.5 R728-733 R735-854 R855-855.5 R856-857 R858-859.7 R864 R895-920 Subclass RA RA1-1270 RA1-418.5 Medicine and disease in relation to psychology. Terminal care. Medical personnel and the public. Physician and the public Practice of medicine. Medical practice economics Medical education. Medical schools. Research Medical technology Biomedical engineering. Electronics. Instrumentation Computer applications to medicine. Medical informatics Medical records Medical physics. Medical radiology. Nuclear medicine Public aspects of medicine Medicine and the state