- Publication venue
- UND Scholarly Commons
- Publication date
- 01/01/1955
- Field of study
- Publication venue
- UND Scholarly Commons
- Publication date
- 01/01/1967
- Field of study
- Publication venue
- UND Scholarly Commons
- Publication date
- 01/01/1958
- Field of study
- Publication venue
- UND Scholarly Commons
- Publication date
- 01/01/1950
- Field of study