upper left in plate: Black Ness Castle JC (in monogram); by later hand, lower left in graphite L. 26
(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): no. 26.
- Bertram, Geoffrey. The Etchings of John Clerk of Eldin. Taunton, 2012: no. 26