[Supersedes Changes 1, Oct. 20, 1950.] and [Issued with perforations.]
Notes:
[Issued with perforations.] • Sent to Depository Libraries. Item 323 (no. 600-10/ch. 1 was not sent to depository libraries).
Availability:
* For Sale by Superintendent of Documents. Paper, 5c. and • Sent to Depository Libraries. Item 323 (no. 600-10/ch. 1 was not sent to depository libraries).