J. H. F.  Umbgrove, ?Report on Plistocene and Pliocene corals from Ceram?, Geological, Petrographical and Palaeontological Results of Explorations, Carried out from September 1917 till June 1919 in the Island of Ceram by L. Rutten and W. Hotz., vol. 1-22, 1924.

J. H. F.  Umbgrove, ?Die Anthozoa uit het Maastrichtsche tufkrijt [The Anthozoa of the Maastrichtian tufaceous chalk]?, Leidse Geologische Mededelingen, vol. 1, pp. 83?126, pl. 8?11, 1925.

J. H. F.  Umbgrove, ?Madreporaria from the Togian reefs (Gulf of Tomini, North-Celebes)?, Zoologische Mededelingen Leiden, vol. 22, pp. 265?310, 1940.

J. H. F.  Umbgrove, ?Madreporaria from the Bay of Batavia?, Zoologische Mededelingen Leiden, vol. 22, pp. 1?64, 1939.