Reference material in the form of subject dictionaries, encyclopedias, and handbooks typically provide background essays, definitions, broad overviews of various topics, or other pertinent facts that help you see the whole of a topic and how its parts are related. These are just a sample of reference books accessible through the Doane library.
Gale Encyclopedia of Nursing and Allied Health
The Gale Encyclopedia of Alternative Medicine
Gale Encyclopedia of Psychology, 4th ed. by 
Routledge Handbook of Adapted Physical Education by 
