America History and Life: How to Limit the Search to a Specific Historical Period
The databases America: History and Life
(for US history) and Historical Abstracts
(for world history) have an option to limit search by historical period:
Under advanced search - search options, there is a "Historical Period" option that allows you to enter a year range.
Disclaimer: this tool may not completely eliminate results outside of your period, but it will eliminate some irrelevant ones.
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