[Monthly; August-September issued as one publication. Text and other illustrations on p. 2-4 of covers.]
Notes:
[Monthly; August-September issued as one publication. Text and other illustrations on p. 2-4 of covers.] * For Sale by Superintendent of Documents. Paper, 10c. single copy, $1.00 a yr.; foreign subscription, $1.60. • Sent to Depository Libraries. Item 954
Availability:
* For Sale by Superintendent of Documents. Paper, 10c. single copy, $1.00 a yr.; foreign subscription, $1.60. • Sent to Depository Libraries. Item 954