The exhibition comprised 129 Picturesque and Sublime images of Dolbadarn Castle and the surrounding area, plus manuscripts, ephemera and contextual material. Wilson was represented by two paintings and a drawing:
P120A Llyn Peris and Dolbadarn Castle (no. S2)
Manner of Wilson, Llanberis Pass and Twr Padarn, The National Library of Wales, Aberystwyth (PZ03877) (no. P4)
D343 Dolbadarn Castle and Llyn Peris (no. S1)
The exhibition transferred to the National Library of Wales, Aberystwyth (10 September - 20 October 1990) and then to the National Museum of Wales, Cardiff (13 November 1990 - 8 January 1991).