Book: Dickason, David Howard. 1970 William Williams: Novelist and Painter of Colonial America.
• pp. 44-45; 187-8Article: Richardson, Edgar P. 1972 "William Williams - A dissenting Opinion". American Art Journal. 4 (1): 5-23.
Article: Rather, Susan. 10//2002 "Benjamin West's Professional Endgame and the Historical Conundrum of William Williams". The William and Mary Quarterly. 59 (4)
Article: Dickason, David Howard. 1970 "Benjamin West on William Williams: A previously unpublished Letter". Winterthur Portfolio. 6
Article: Eagles, John. 03//1885 "The Beggar's Legacy". Blackwood's Magazine. pp. 457-502.
Article: Flexner, James Thomas. 11//1944 "The Amazing William Williams, Author, Teacher, Musician, Stage Designer, Castaway". Magazine of Art. p. 277ff.
Book: Flexner, James Thomas. 1947 American Painting: First Flowers of our Wilderness.
• pp. 176-185Article: Flexner, James Thomas. 01//1952 "Documents on Benjamin West and William Williams". New York Historical Society Quarterly Bulletin. 36 (1): pp. 34-41.
Book: Richardson, Edgar P. 1986 American Paintings and Related Pictures in the Henry Francis du Pont Winterthur Museum.
• p. 74, no. 39; repro. p. 75.Article: Sawitzky, William. 05//1937 William Williams, First Instructor of Benjamin West. Antiques. 30 (5): 240-242.
Article: Sawitzky, William. 07//1941 "Further light on the work of William Williams". New York Historical Society Quarterly Bulletin. 25 (3): pp. 101-112.
Article: Smith, Helen Burr. 10//1951 "The Two William Williams' ". New York Historical Society Quarterly Bulletin. 35 (4): pp. 375-385.
Article: Lemmer, Geoffrey Michael. 1971 "X-Radiography as an Aid to the Examination of Paintings", in Quimby, Ian M. G. 1971. American Painting to 1776: A Reappraisal. Seventeenth Annual Winterthur Conference. 315-319.
Article: Wingel, Kelsey. Portraitures: Picturing American Identities in the Colonial Era. 21.