Ralph Albert Blakelock, 1847-1919 : [exhibition] January 14-February 9, 1975, Sheldon Memorial Art Gallery, University of Nebraska, Lincoln, Nebraska [and] May 4-June 7, 1975, New Jersey State Museum, Trenton, New Jersey
Ralph Albert Blakelock centenary exhibition, in celebration of the centennial of the City College of New York, April 22 to May 29, 1947, at the Whitney Museum of American Art
A Study of the materials and techniques used by some XIX century American oil painters : by means of neutron activation autoradiography / M. J. Cotter, P. Meyers, L. van Zelst, C. H. Olin, and E. V. Sayre