(Publication 11.) [Includes transmittal letter 22, May 1, 1972. Issued in looseleaf form.]
Notes:
(Publication 11.) [Includes transmittal letter 22, May 1, 1972. Issued in looseleaf form.] * For Sale by Superintendent of Documents. Paper, 10c. • Sent to Depository Libraries. Item 838 (rev.)
Availability:
* For Sale by Superintendent of Documents. Paper, 10c. • Sent to Depository Libraries. Item 838 (rev.)