‡a
Author of Purposes and conditions affecting the nature and extent of participation of adults in courses in the Home Study Department of Columbia University, 1925-1932
‡a
Author of Purposes and conditions affecting the nature and extent of participation of adults in courses in the home study department of Columbia University, 1925-1932
‡a
purposesandconditionsaffectingthenatureandextentofparticipationofadultsincoursesinthehomestudydepartmentofcolumbiauniversity1925
‡A
Purposes and conditions affecting the nature and extent of participation of adults in courses in the home study department of Columbia University, 1925-1932
‡9
2
