Approximately 8,500 biographies, comprising the complete contents of volumes I to XV, which describe the lives of those whose deaths or whose last-known activities occurred in the years 1000 to 1930.
Through a partnership of academic & research institutions, Hathitrust offers a collection of millions of titles digitized from libraries around the world.
Contains an online bibliography of books, pamphlets, and other materials related to the development of the Prairies, as well as a searchable full-text collection of many of these items.
The Prints and Photographs Online Catalog (PPOC) contains catalog records and digital images representing a rich cross-section of still pictures held by the Prints & Photographs Division of the Library of Congress.
This guide is an excellent resource for learning about historical research. Though it's targeted to environmental history, it's useful for anyone interested in improving her/his research skills.