Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
On the teeth of the Recent cassiduloid Echinolampas depressa Gray, and on some Liassic fossil teeth nearly identical in structure (Echinodermata, Echinoidea)
The Origins of Leadership. A Dissertation Submitted to the Faculty of the Graduate School of Arts and Literature in Candidacy for the Degree of Doctor of Philosophy (Department of Sociology)