Historical Abstracts is one of very few databases where one can search for articles by the date that the article is about. Below the search boxes are Search Options - on the right side of the screen and slightly lower is Historical Period - fill in start date and final date.
e.g. Islam* and Morocco (the * searches both islam and islamic) - and then Historical Period - 1900 AD to 1930 AD
The articles will be both about the topic relevant to the early 1900's.
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