John R. Clark, Monica M. Hoye & Caroline Hatton Clark, with the cooperation of Ruth I. Baldwin.
Arithmetic for young America. Grade 5.
R631436. Arithmetic for young America. Grade 5. By John R. Clark, Monica M. Hoye & Caroline Hatton Clark, with the cooperation of Ruth I. Baldwin. NM: revisions & corrections. © 3Jan49; A29513. John B. Clark & Caroline Hatton Clark (A); 14Apr76; R631436.
John B. Clark & Caroline Hatton Clark|A