- , 1983
- Studies on Hexactinellid sponges. III. The taxonomic status of the Hexactinellida within the Porifera. Phil. Trans. R. Soc., London, (B), 301: 419-428
- , 1886
- Preliminary report on the Monaxonida collected by H.M.S. Challenger. Part I & II. Annls. Mag. Nat. Hist., (5), 18: 325-351, 470-493
- , 1887
- Report on the Monaxonida collected by H.M.S. Challenger during the years 1873-1876. Rep. sci. Res. Voy. Challenger, Zool., 20: 1-275.
- , 1978
- Fauna marina de Galicia. II. Contribución al conocimiento de Poríferos del litoral gallego. Monogr. Univ. Santiago Compostela: 1-68.
- , 1992
- Guide to western Atlantic species of Cinachyrella (Porifera: Tetillidae). Proc. Biol. Soc. Washington, 105: 148-164
- , 1993
- The genus Terpios (Suberitidae) and new species in the "lobiceps" complex. Sci. Mar., 57 (4): 381-393
- , 1986
- Discovery and significance of Albany Hancock's microscope preparations of excavating sponges (Porifera: Hadromerida: Clionidae). Proc. Biol. Soc. Washington, 99 (4): 658-675.