[Monthly. Publications dated July and Aug. 1949, are classified as M 214.7:949 (nos.).]
Notes:
[Monthly. Publications dated July and Aug. 1949, are classified as M 214.7:949 (nos.).] * For Sale by Superintendent of Documents. Paper, $1.00 a yr.; 35c. additional for foreign mailing; single copy, 10c. • Sent to Depository Libraries. Item 772
Availability:
* For Sale by Superintendent of Documents. Paper, $1.00 a yr.; 35c. additional for foreign mailing; single copy, 10c. • Sent to Depository Libraries. Item 772