John R. Clark, Ruth I. Baldwin & Caroline Hatton Clark, with the cooperation of Monica M. Hoye.
Arithmetic for young America. Grade 3.
R631434. Arithmetic for young America. Grade 3. By John R. Clark, Ruth I. Baldwin & Caroline Hatton Clark, with the cooperation of Monica M. Hoye. NM: revisions & corrections. © 3Jan49; A29511. John R. Clark & Caroline Hatton Clark (A); 14Apr76; R631434.
John R. Clark & Caroline Hatton Clark|A