Subject-specific encyclopedias contain entries focusing on one field of study.
Use an encyclopedia:
Encyclopedia of Historians and Historical Writing by 
The Timetables of History by 
The Home Front Encyclopedia: United States, Britain, and Canada in World Wars I and II by 
The Oxford Companion to British History by 
Encyclopedia of Russian History by 
The Oxford Companion to United States History by 
The Oxford Companion to Canadian History by These are a selection of the subject dictionaries in our collection.
Dictionary of Historical Terms by 
Dictionary of Historic Documents by 
Haydn's Dictionary of Dates and Universal Information Relating to All Ages and Nations by 
Dictionary of the Middle Ages by Handbooks are collections of information that provide quick answers in a particular field or about a particular technique.
Documents in World History by 
Cassell's Chronology of World History by Wikipedia is not generally considered an appropriate source for academic research.
The credibility of the information is often questioned, as anyone is able to edit the pages.
Wikipedia can, however, be used as a starting point.
Check out the video below for more information: "Using Wikipedia for Academic Research"
