(Subject Cataloging Division, Decimal Classification Section.) [Quarterly.] * For Sale by Superintendent of Documents. Paper, 30c. a yr., 10c. additional for foreign mailing; single copy, 10c. • Sent to Depository Libraries. Item 822
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* For Sale by Superintendent of Documents. Paper, 30c. a yr., 10c. additional for foreign mailing; single copy, 10c. • Sent to Depository Libraries. Item 822