Links to Scholarly Resources related to Charles and Ruth:
The Harry Ransom Center, The University of Texas at Austin
Museum of Modern Art
Museum of Modern Art San Francisco
The Online Archive of California
Yale University Beinecke Rare Book and Manuscript Library
Getty
University of Delaware
U of Delaware letters of CHF and Ted Joans
Brooklyn Museum
NY Public Library Digital Collections
The Society of Mississippi Archivists The Primary Source

Obituaries of Charles & Ruth in the New York Times:
Charles Henri Ford
Ruth Ford