By Fiskin, Abram M. I..
Denver University of Denver Press 1950 .
117 p.

By Bentley, Eric.
Denver University of Denver Press 1967 .
3 v. , Series 3 published by Indiana University Press, Bloomington.

By Cunningham, J. V..
[Denver] University of Denver Press 1951 .
136 p. 21 cm..

By Nininger, Harvey Harlow.
[Denver] University of Denver Press 1952 .
336 p. 24 cm..