Catalogue of the fossil bryozoa (Polyzoa) in the Department of Geology, British Museum (Natural History) 

 - London :  Printed by Order of the Trustees,  1899 
 - 4v.  ill.:  22 cm. 
<br/><br/> Vols 1-2 have title: Catalogue of the fossil Bryzoa ... The Cretaceous Bryzoa ... by J.W.Gregory, 1899-1909. Vols. 3-4, The Cribrimorphs, by W.D.Lang, 1921-22 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Polyzoa, Fossil<br/>Paleontology--Cretaceous