00676cam a2200241 4500 3137912 BD-DhUL 20161214162355.0 731029s1950 dcu 000 0 eng u 50062957 (OCoLC)ocm00729459 MIA OCL OCLCQ ZCU BD-DhUL Z551.A1 U5 655.6 MEC Library of Congress. Copyright Office. Copyright bibliography, for checking purposes / by Henriette Mertz. Washington : 1950. iv, 213 p. 27 cm. Copyright Bibliography. Mertz, Henriette. AUTH ddc BK 135428 135428 0 0 ddc 0 655_600000000000000_MEC 0 NFIC 254085 DUL DUL GEN 2016-12-14 Purchased 655.6 MEC A10644 2016-12-14 1 2016-12-14 BK