The Health Science Library on campus also has books organized according to the National Library of Medicine. When looking for books in Health, Aging and Society it is a good idea to start with Class W- Medicine and Related Subjects.
Subclasses that may be of interest to you include:
W 84-85.5 General medicine. Health Services
WA 1-106 Public Health General Works
WA 525-590 Health Administration and Organization
RA 1-1270 Public Aspects of Medicine
RA 1-418.5 Medicine and the State. Medicine and Society.