lower left in plate: N. 70 Perth Bridge with a Tower in Gowerys Garden JC (in monogram) 1775; lower right in plate: J R delin
(Campbell Fine Art, London, 10 March 1998); Donald Vogler, Portland, OR; gift to NGA, 2017.
- Lumsden, E.S. "The etchings of John Clerk of Eldin." Print Collector's Quarterly 12 (1925): no. 54.
- Bertram, Geoffrey. The Etchings of John Clerk of Eldin. Taunton, 2012: no. 65