- Publication venue
- 1936
- Publication date
- Field of study
- Publication venue
- 1936
- Publication date
- Field of study
- Publication venue
- 1936
- Publication date
- Field of study
- Publication venue
- 1932
- Publication date
- Field of study
- Publication venue
- 1932
- Publication date
- Field of study
- Publication venue
- 1941
- Publication date
- Field of study
- Publication venue
- 1941
- Publication date
- Field of study
- Publication venue
- 1931
- Publication date
- Field of study
- Publication venue
- 1931
- Publication date
- Field of study