HOLLIS   is Harvard's library catalog, and more.

HOLLIS Search Tips

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Search like a librarian

 

QUOTATION MARKS
Search for an exact phrase with quotation marks.
Great for title searches.
(Note: phrase searches cannot include wildcards).
"capital in the twenty-first century"
BOOLEAN
Include search terms with OR; exclude search terms with AND and NOT. (Use all caps for OR, AND, NOT). 
NSA OR "National Security Agency"
WILDCARDS
Find all forms of a word with wildcards. ? matches a single character and * matches multiple characters. 
(Note: phrase searches cannot include wildcards, and you cannot used a wildcard at the beginning of a word).
feminis?
gene* therapy
PARENTHESES
Group related terms with parenthesis.

("Affordable Care Act" OR Obamacare) AND "birth control"