H. E. Gregory
1921
- Title
- H. E. Gregory
- Collection
- George Ellery Hale Papers
- Series
- Director’s Files of the Mount Wilson Observatory
- Identifier
- HaleGE_10_00_157_06
- Dates
- 1921
- Extents
- 3 pages
- Existence and Location of Copies
- This folder is represented in the microfilm edition of the Hale Papers by reel 89, frames 581 to 584.