W. J. Humphreys
1906 to 1920
- Title
- W. J. Humphreys
- Collection
- George Ellery Hale Papers
- Series
- Director’s Files of the Mount Wilson Observatory
- Identifier
- HaleGE_10_00_159_04
- Dates
- 1906 to 1920
- Extents
- 17 pages
- Existence and Location of Copies
- This folder is represented in the microfilm edition of the Hale Papers by reel 90, frames 491 to 508.