The principles of bond investment.

Mode of access: Internet.

The psychology of justice,

"Reprinted from the Pedagogical Seminary, September, 1912, vol. XIX, p. 297-349."

Problems and exercises in the principles of economics prepared for use of students in the University of Minnesota.

Mode of access: Internet.

Legal and political hermeneutics, or principles of interpretation and construction in law and politics, with remarks on precedents and authorities.

Mode of access: Internet.