BETTS, EMMETT ALBERT.
Teacher's manual for Directed spelling activities and Guide to spelling progress. By Emmett Albert Betts & Mabel-Louise Arey.
BETTS, EMMETT ALBERT. Teacher's manual for Directed spelling activities and Guide to spelling progress. By Emmett Albert Betts & Mabel-Louise Arey. © 14Oct41; AA378740. Emmett Albert Betts (A); 21Oct68; R446313.
Emmett Albert Betts|A