Silurian cephalopods of northern Michigan - 1924
Note on a new species of the Eocene crocodilian Allognathosuchus, A. wartheni - 1925
A specimen of Stylemys nebrascensis Leidy, with the skull preserved - 1925
A new species of trionychid turtle, Amyda nelsoni, from the Eocene beds of southwestern Wyoming - 1927