(Simplified practice recommendation R174-43.) [Approved May 17, 1943. Supersedes E174-41.]
Notes:
(Simplified practice recommendation R174-43.) [Approved May 17, 1943. Supersedes E174-41.] * For Sale by Superintendent of Documents. Paper, 5c. • Sent to Depository Libraries. Item 280
Availability:
* For Sale by Superintendent of Documents. Paper, 5c. • Sent to Depository Libraries. Item 280