Once you’ve settled on a topic and determined the best keywords to search, educate yourself on the topic. Once again, note any new key terms, phrases, issues, etc. as you find information. For more help finding reference sources, see our full list of Dictionaries and Encyclopedias.
The Encyclopedia Britannica was first published in 1768 and is the oldest English-language general encyclopedia. See more details about this 3-volume edition, pictured below.