John R. Clark, Monica R. Hoye 6 Caroline Hatton Clark, with the cooperation of Ruth I. Baldwin.
Arithmetic for young America; revised ed. Grade 6.
R631437. Arithmetic for young America; revised ed. Grade 6. By John R. Clark, Monica R. Hoye 6 Caroline Hatton Clark, with the cooperation of Ruth I. Baldwin. NM: revisions. © 3Jan49; A29514. John R. Clark & Caroline Hatton Clark (A); 14Apr76; R631437.
John R. Clark & Caroline Hatton Clark|A