Richard D. Allen, Harold H. Bixler, William L. Connor, Frederick B. Graham & Gertrude H. Hildreth. 1946 experimental ed.
Elementary battery. Form R & keys & directions for scoring. (Metropolitan achievement tests)
R562938. Elementary battery. Form R & keys & directions for scoring. By Richard D. Allen, Harold H. Bixler, William L. Connor, Frederick B. Graham & Gertrude H. Hildreth. 1946 experimental ed. (Metropolitan achievement tests) © 2Oct46; AA26507. Gertrud Hildreth & Harold H. Bixler (A); 12Nov73; R562938.
Gertrud Hildreth & Harold H. Bixler|A