Manuscript: Ettema, Michael. An Evaluative Report on the Iron Crossarm Candlestands in the Winterthur Collection (dated Dec. 10, 1979).
• p. 3, Appendix BBook: Ward, Gerald W. R. 1977 The Eye of the Beholder: Fakes, Replicas, and Alterations in American Art.
• Compare with p. 53, cat. no. 65.