|Description||Volume entitled 'Caerlaverock Castle' containing:|
offprint of 'The development of Caerlaverock Castle' by G.P.H. Watson, from Proceedings of the Society of Antiquaries of Scotland ix, 5th series, session 1922–23, pages 30–40, with manuscript annotations by W.D. Simpson;
drawings and extracts from MacGibbon and Ross commented on by W.D. Simpson;
44 pages of manuscript on Caerlaverock Castle, subsequently published in Scottish Historical Review xxxii, pages 123–127;
additional notes on pages 45–60, perhaps added during or after visits in 1937, 1939, 1942 and 1960.