Finding Aids
For finding items in libraries: WorldCat
For finding digitized books and periodicals:
FamilySearch Catalog: https://www.familysearch.org/search/catalog
Google Books: https://books.google.com
HathiTrust Digital Library: https://www.hathitrust.org
The Internet Archive: https://archive.org
JSTOR: https://www.jstor.org
The Online Books Page: https://onlinebooks.library.upenn.edu
Project Gutenberg: https://www.gutenberg.org
Links to digitized versions of frequently-cited publications:
American Jewish Archives Journal: https://sites.americanjewisharchives.org/publications/journal/
American Jewish Historical Quarterly: https://www.jstor.org/journal/amerjewihistquar
Archives of Maryland: https://msa.maryland.gov/megafile/msa/speccol/sc2900/sc2908/html/index.html
Georgia Historical Society Quarterly: https://www.jstor.org/journal/georhistquar
Jewish Social Studies: https://www.jstor.org/journal/jewisocistud
New York Historical Society Quarterly: https://digitalcollections.nyhistory.org/islandora/object/islandora%3A4690
Pennsylvania Magazine of History and Biography: https://www.jstor.org/journal/pennmaghistbio
Publications of the American Jewish Historical Society: https://catalog.hathitrust.org/Record/006663260 and https://www.jstor.org/journal/publamerjewihist
Rhode Island Historical Tracts:
https://onerhodeislandfamily.com/free-rhode-island-resources/rhode-island-historical-tracts/
Transactions (Jewish Society of England): https://www.jstor.org/journal/tranjewihiststud