Primary Grades 1

Burke Agnes el al. “Social development on three age levels.” Childhood Education, 10: April, 1934, 361–366.

Heaton Kenneth Lewis The Character Emphasis in Education. (University of Chicago Press: Chicago, 1933, 415 pp.)

Hockett Ruth Marie Manning Teacher's Guide to Child Development. (Government Printing Office Washington, 1930, 195 pp.)

A manual developed under the direction of the California Curriculum Commission.

Reeve Margaretta Willis “The habit of world friendship.” Childhood Education, 9: December, 1932, 115–118.