A discussion of the sponge fauna of the Dry Tortugas in particular and the West Indies in general, with material for a revision of the families and orders of the Porifera - De Laubenfels, Max Walker, 1894 - (Carnegie institution of Washington, 1936)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1990)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1990)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1990)