Betts, E. A., & Welch, C. M. (1963). The ABC up the street and down (Teacher's edition, annotated and keyed.). American Book Co..

Betts, Emmett A., and Carolyn M. Welch. The ABC Up the Street and Down. Teacher's edition, annotated and keyed. New York: American Book Co., 1963.

Betts, Emmett A., and Carolyn M. Welch. The ABC Up the Street and Down. Teacher's edition, annotated and keyed. American Book Co., 1963.