1. Astronomy [1962]
- SAL3 (off-campus storage) : Stacks : 520.9 .H867
2. The nature of the universe; a series of broadcast lectures [1950]
- SAL3 (off-campus storage) : For use in Special Collections Reading Room : 520.4 .H867
- SAL3 (off-campus storage) : Stacks : 520.4 .H867
3. Some recent researches in solar physics [1949]
- SAL3 (off-campus storage) : Stacks : 523.7 .H867
4. The nature of the universe [1950]
- SAL3 (off-campus storage) : For use in Special Collections Reading Room : 520.4 .H867A
- SAL3 (off-campus storage) : Stacks : 520.4 .H867A
