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- Corporate/Agency Authors:
- Chemistry Bureau and Agriculture Department
- Publisher:
- Chemistry Bureau
- Date:
- Mar. 10, 1920
- Corporate/Agency Authors:
- Chemistry Bureau and Agriculture Department
- Publisher:
- Chemistry Bureau
- Date:
- Feb. 21, 1920
- Corporate/Agency Authors:
- Chemistry Bureau and Agriculture Department
- Publisher:
- Chemistry Bureau
- Date:
- Jan. 26, 1920
- Corporate/Agency Authors:
- Chemistry Bureau and Agriculture Department
- Publisher:
- Chemistry Bureau
- Date:
- Jan. 24, 1920
- Corporate/Agency Authors:
- Chemistry Bureau and Agriculture Department
- Publisher:
- Chemistry Bureau
- Date:
- Jan. 9, 1920
- Corporate/Agency Authors:
- Chemistry Bureau and Agriculture Department
- Publisher:
- Chemistry Bureau
- Date:
- [Reprint with slight change] 1920
- Corporate/Agency Authors:
- Chemistry Bureau and Agriculture Department
- Publisher:
- Chemistry Bureau
- Date:
- Jan. 1920
- Corporate/Agency Authors:
- Chemistry Bureau and Agriculture Department
- Publisher:
- Chemistry Bureau
- Date:
- [Reprint, 1920.]
- Corporate/Agency Authors:
- Chemistry Bureau and Agriculture Department
- Publisher:
- Chemistry Bureau
- Date:
- 1920
- Corporate/Agency Authors:
- Chemistry Bureau and Agriculture Department
- Publisher:
- Chemistry Bureau
- Date:
- 1920