The Archives of American art does not own the original papers. Use is limited to the microfilm copy.
Letters to Weitenkampf, mainly from artists and collectors concerning examples of their works in the library's collection.
Among the correspondents are: John Taylor Arms, Samuel Putnam Avery, John W. Beatty, George Bellows, Frank W. Benson, George Biddle, James Britton, George Elmer Browne, Mary Cassatt, Royal Cortissoz, Frederick K. Detwiller, Olin Dows, Kerr Eby, Daniel C. French, Arnold Genthe, George O. Hart, Malvina Hoffman, Edward Hopper, Daniel Huntington, Rockwell Kent, Frederick Keppel, Richard Lahey, Will H. Low, Louis Lozowick, H. Siddons Mowbray, Frank A. Nankivell, Thomas W. Nason, Joseph Pennell, Preston Powers, Henry Ward Ranger, William T. Richards, John D. Rockefeller, Jr., Lessing J. Rosenwald,Peter F. Rothermel, William Sartain, George H. Smillie, James D. Smillie, Harry Sternberg, Albert Sterner, Lorado Taft, Abbott H. Thayer, Dwight W. Tryon, Douglas Volk, Olin L. Warner, John F. Weir, Julian A. Weir, Harry Wickey, Irving R. Wiles, Thomas W. Wood, Charles H. Woodbury, George H. Yewell, Mahonri M. Young, and others.
35mm microfilm reel N3 (frames 230-1478) and N25 (frames 1369, 1381) available for use at Archives of American Art offices and through interlibrary loan.
Originals in the New York Public Library, Manuscript Division.
Curator; New York City. Chief of the Prints Division, New York Public Library.
Microfilmed 1956 by the Archives of American Art with other art-related papers in the Manuscript Division of the New York Public Library. Included in the microfilming project were selected papers of the Art Division and the Prints Division.
List of correspondents available at Archives of American Art offices, filed New York Public Library, Manuscript Division.