Index of mosses 1963-1989.
St Louis: Missouri Botanical Garden, 1992. Octavo, More
St Louis: Missouri Botanical Garden, 1992. Octavo, More
Codicote: Wheldon & Wesley, (1970. third edition). Octavo, 63 black and white plates, fine copy. More
London: Wheldon & Wesley, (1954. third edition). Octavo, uncoloured plates. Publisher's cloth, some wear and owner's inscriptions. More
Colchester: Harley Books, 1991-1994. Octavo, text illustrations, laminated boards, fine set. More
Stockholm: Almqvist & Wiksells, 1956. Octavo, wrappers. More