There are other terms that appear frequently in the subject headings of works, too. A short list:
For a more extensive guide to primary sources available during your time period, see also the guide: Primary Sources for Historical Research.
Images used in this guide are all licensed under a Creative Commons Share-Alike license.
Televangelist photo from behind, "0609082236a.jpg," Work found at http://www.flickr.com/photos/manwhoyells/2566340975.
Photo of peeled-back London Times page: Times. (http://www.flickr.com/photos/sklyanchuk/3959101860/) / Oleg Sklyanchuk (http://www.flickr.com/photos/sklyanchuk/) / http://creativecommons.org/licenses/by-nc/2.0/ (http://creativecommons.org/licenses/by-nc/2.0/)
Cartoon of student in stacks, titled "Neulich in der Bibliothek," by Johannes Kretschmer. Work found at http://blog.beetlebum.de/2008/07/31/neulich-in-der-bibliothek/ / http://creativecommons.org/licenses/by-nc-nd/2.0/de/ (http://creativecommons.org/licenses/by-nc-nd/2.0/de/)