([Publication 3170.]) [Quarterly.] * For Sale by Superintendent of Documents. Paper, $1.60 a yr., foreign subscription, $2.00; single copy, 30c. • Sent to Depository Libraries. Item 916
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* For Sale by Superintendent of Documents. Paper, $1.60 a yr., foreign subscription, $2.00; single copy, 30c. • Sent to Depository Libraries. Item 916