CLARK, CAROLINE HATTON.
Arithmetic for young America; teacher's manual for grade three-four, by Caroline Hatton Clark, Ruth I. Baldwin & John R. Clark.
CLARK, CAROLINE HATTON. Arithmetic for young America; teacher's manual for grade three-four, by Caroline Hatton Clark, Ruth I. Baldwin & John R. Clark. © 26Oct44; AA467609-467610. John R. Clark & Caroline Hatton Clark (A); 28Oct71; R515503-515504.
John R. Clark & Caroline Hatton Clark|A