Books by "Harry Willis Allen"
2 books found
North American Species of Two-winged Flies Belonging to the Tribe Miltogrammini
by Harry Willis Allen
1926
Improvement of Instruction in Rural Schools Through Professional Supervision
by Alfred Zantzinger Reed, Eustace Evan Windes, Harry Stanley Ganders, Mary G. Waite, National Committee on Research in Secondary Education (U.S.), Thomas Hall Shelby, United States. Bureau of Education. Library Division, United States. Office of Education, Walter James Greenleaf
1926