- Publication Title:
- Mail matter. Cost ascertainment: Instruction letter I [July 1, 1938], 3dand 4th-class post offices.
- Display Title:
- Mail matter. Cost ascertainment: Instruction letter I [July 1, 1938], 3dand 4th-class post offices.
- Corporate Agency Authors:
- Post Office Department
- Sort Author:
- Post Office Department
- Date:
- [1938.]
- Publish Date ISO Format:
- 1938-01-01T00:00:00Z
- Publication Start:
- 19380101
- Publication End:
- 19381231
- Corporate/Agency Author:
- Post Office Department
- Publication month:
- 13
- Publication year:
- 1938
- SuDoc number:
- P 4.5:I/14
- Description:
- 4 p.
- Notes:
- ‡ Official Use. Not Available.
- Availability:
- ‡ Official Use. Not Available.
- Monthly Catalog date:
- June 1938
- Monthly Catalog issue number:
- 522
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1938-06-01T00:00:00Z
- Record start page number:
- 897