AND / OR / NOT, known as Boolean Operators, are used to connect and define the relationship between your search terms. Use uppercase letters for Boolean operators within searches.
Narrows the search by telling the database or catalog to search for all records with both keywords. Use AND to connect the main concepts you want represented in your results.
Broadens the search to include records with either keyword/phrase, or both. Use OR to connect synonyms or associated keywords relating to one of your main concepts.
*Use only to differentiate between concepts or filter out results if needed.
Narrows your search. Tells database to find results that include the first word and exclude the second word.
For example, if you are searching for information on the Great Depression, you might also want to look for:
Adjust your searches by narrowing the focus or by combining research terms.
Once you type in your search terms, use the "Refine my results" list on the left-hand side to help narrow down your search by: