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

Bulletin of the British Museum (Natural History) Zoology - British Museum (Natural History) (BM(NH), 1983)

Bulletin of the British Museum (Natural History) Zoology - British Museum (Natural History) (BM(NH), 1983)

Bulletin of the British Museum (Natural History) Zoology - British Museum (Natural History) (BM(NH), 1983)

Bulletin of the British Museum (Natural History) Zoology - British Museum (Natural History) (BM(NH), 1983)

Gayana Zoología - Universidad de Concepción. Instituto Central de Biología. (Universidad de Concepción, Instituto de Biología, 1975)

Why bryozoans have avicularia : a review of the evidence - Winston, Judith E. (American Museum of Natural History, 1984)

Why bryozoans have avicularia : a review of the evidence - Winston, Judith E. (American Museum of Natural History, 1984)