Using Archives: A Guide to Effective Research - A brochure of the Society of American Archivists.
Archives & Primary Sources - A PDF tutorial describing the basics of archival collections and primary sources from the Mina Rees Library at the CUNY Graduate Center.
History of Science Research Guide - The Dibner Library of the History of Science and Technology
MITArchivesSpace is your entry point to search for materials held by Distinctive Collections including Institute records, faculty papers, student life and organizations and other archival collections. The MITArchivesSpace LibGuide has more information about what can be found in MITArchivesSpace, and search tips.
Search for rare books, MIT theses, and MIT publications through the MIT Libraries' catalog, Barton.
MIT History has information about MIT people, courses, schools, labs, departments, buildings, events, etc., though it is not comprehensive and contains some broken links, unfortunately.