CLARK, JOHN R.
Teacher's manual for book one, third and fourth grades, Modern school arithmetic, new edition. By John R. Clark, Arthur S. Otis, & Caroline Hatton Clark. NM: new matter.
CLARK, JOHN R. Teacher's manual for book one, third and fourth grades, Modern school arithmetic, new edition. By John R. Clark, Arthur S. Otis, & Caroline Hatton Clark. NM: new matter. © 8Nov37; AA251985. John R. Clark & Caroline Hatton Clark (A) & Marlene Otis (W); 1Mar65; R356677.
John R. Clark & Caroline Hatton Clark|A||Marlene Otis|W