Catalog of copyright entries, 3d series, v.26. * Paper, $75.00 a yr. (including semiannual issues of pts.1-13); add $18.75 for foreign mailing. pt.1. Books and pamphlets including serials and contributions to periodicals, no.2, July-Dec. 1972: sec.1-2, Current and renewal registrations, sec.3, Title index.

Tools