Brigham Young University: L. Tom Perry Special Collections
Brown University: John Hay Library & Catalog
California Historical Society: Home Page & Catalog
Columbia University: Rare Book & Manuscript Library & Finding Aids
Huntington Library, Art Collection, and Botanical Gardens: Home Page & Catalog
Library of Congress: Home Page & Catalog
New York Public Library: Home Page & Catalog
Online Archive of California (OAC): Home Page
Online Computer Library Center (OCLC): WorldCat
Stanford University: Special Collections & University Archives & Finding Aids
University of Arizona: Special Collections & Catalog
University of California, Berkeley: The Bancroft Library & Finding Aids
University of California, Los Angeles: Special Collections Library & Catalog
University of Chicago: Special Collections Research Center & Finding Aids
University of Michigan: Special Collections Library & Catalog
University of Virginia: Albert and Shirley Small Special Collections Library
Virginia Heritage: Finding Aids
Yale University: Beinecke Rare Book & Manuscript Library & Finding Aids