British zoophytes : an introduction to the hydroida, actinozoa, and polyzoa found in Great Britain, Ireland, and the Channel Islands - Pennington, Arthur S. (Arthur Stuart) (L. Reeve, 1885)

Dr. H.G. Bronn's Klassen und Ordnungen der Weichthiere (Malacozoa) : wissenschaftlich dargestellt in Wort und Bild ; Kopftragende Weichthiere (Malacozoa cephalophora) - Bronn, H. G. (Heinrich Georg), 1800 -1862 (C.F. Winter, 1862)

Bryozoa of the Pacific coast of America - Osburn, Raymond C. (Raymond Carroll), 1872 -1955 (University of Southern California Press, 1950)

The bryozoa of the Woods Hole region - Osburn, Raymond C. (Raymond Carroll), 1872 -1955 (Govt. Print. Off, 1912)

Bryozoans from Bali, Lombok, and Komodo - Winston, Judith E. (American Museum of Natural History, 1986)

Die bryozoen, gesammelt während der dritten und vierten polarfahrt des "Willem Barents" in den jahren 1880-1881 - Vigelius, Wilhelm Joh. (Tj. van Holkema, 1884)

Budd's flora of the Canadian Prairie Provinces (Research Branch, Agriculture Canada, 1987)

Bulletin - New York State Museum; Science Service. (University of the State of New York, 1956)

Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 1979)

Bulletin - United States National Museum (G.P.O, 1910)

Bulletin - United States National Museum (G.P.O, 1917)

Bulletin - United States National Museum (G.P.O, 1929)

Bulletin - United States National Museum (G.P.O, 1920)

Bulletin - United States National Museum (G.P.O, 1923)