Books are a common source of both primary and secondary sources. Letters, memoirs, oral histories and original writings from historical figures are often collected into books and serve as excellent primary sources. Anthropologist also publish books as secondary sources to share their in-depth research and theories. And finally, encyclopedias and dictionaries can be excellent secondary sources for learning about generalized elements of cultural groups, events and concepts. The library holds both digital and print books. Search the library or select a specific database below.