AND, OR, NOT allow you to limit or expand searches depending on your needs.
Machaut AND ars nova
lai OR lay
Earp (Lawrence Earp, Machaut scholar) NOT Wyatt (notorious lawman)
Use " " to group a specific phrase of words together. An important strategy to employ when searching phrasal concepts or conducting known-item searches for titles.
When pairing two or more keywords with another keyword, it is helfpul to "nest" the former terms within a larger Boolean search.
Truncation and Wildcards:
Most catalogs and databases enable users to search variations of keywords by using truncation (*) or wildcard (e.g., ?, $, !) symbols.