The University of Chicago Pressc1918Supplementary educational monographs / University of Chicago, Department of Education
v.2, no.2, June 1918, whole no.8
University of Chicago Press1917Supplementary educational monographs / University of Chicago, Department of Education
v. 1, no. 6, Aug., 1917, whole no. 6
University of Chicago Press1917Supplementary educational monographs / University of Chicago, Department of Education
v. 1, no. 5, Aug., 1917, whole no. 5