The Theory of Environment An Outline of the History of the Idea of Milieu, and Its Present Status, part 1

"My country, 'tis of thee!" Or, the United States of America; past, present and future. A philosophic view of American history and of our present status, to be seen in the Columbian exhibition.

Synthesis of 2-methyl-4-selenoquinazolone, 2-phenylbenzoselenazole, and its derivatives Dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Faculty of Pure Science of Columbia University