Thompson, D. W. (. (1885). A bibliography of Protozoa, sponges, Coelenterata, and worms: Including also the Polyzoa, Brachiopoda, and Tunicata, for the years 1861-1883. Cambridge: The University Press.

Thompson, D'Arcy Wentworth (1860-1948). A Bibliography of Protozoa, Sponges, Coelenterata, and Worms: Including Also the Polyzoa, Brachiopoda, and Tunicata, for the Years 1861-1883. Cambridge: The University Press, 1885.

Thompson, D'Arcy Wentworth (1860-1948). A Bibliography of Protozoa, Sponges, Coelenterata, and Worms: Including Also the Polyzoa, Brachiopoda, and Tunicata, for the Years 1861-1883. Cambridge: The University Press, 1885.