Stefanini, G. Fossili del Neogene Veneto. Memorie degli Instituti di Geologia Universita di Padova 4, 3-198 (1917).

Pilsbry, H. A. & Johnson, C. W. New Mollusca of the Santa Domingan Oligocene. Proceedings of the Academy of Natural Sciences of Philadelphia 69, 150-202 (1917).

Pilsbry, H. A. & Brown, A. Oligocene fossils from the neighborhood of Cartagena, Colombia, with notes on some Haitian species. Proceedings of the Academy of Natural Sciences of Philadelphia 69, (1917).

Maury, C. J. Santa Domingo type section and fossils. Part I. Mollusca. Bulletins of American Paleontology 5, 165-415 (1917).

Waring, C. A. Stratigraphic and faunal relations of the Martinez to the Chico and Tejon of Southern California. Proceedings of the California Academy of Sciences (4)7, 41-124 (1917).