Amaryllidaceae. The Amaryll. man., 1958 (Taxon 7: 209, 1958); The phyla of organisms, 1962 (ib. 11: 206, 1962); The gen. of Amaryll., 1963 (ib. 14: 109, 1965); Lineagics, 1964 (ib. 14: 202-3, 1965); An intro. to Herbert's "Amaryll., etc.", 1970. Amaryllis belladonna L. in Taxon 32(3), 1983 (see also Taxon 3: 102-111, 1954).