by later hand, upper center verso in graphite: Dumfries Bridge
(Campbell Fine Art, London, 16 May 1997); Donald Vogler, Portland, OR; gift to NGA, 2017.
- Lumsden, E.S. "The etchings of John Clerk of Eldin." Print Collector's Quarterly 12 (1925):
- Bertram, Geoffrey. The Etchings of John Clerk of Eldin. Taunton, 2012: no. 72