"A Study of the activities of teachers of vocational agriculture in utilizing the pupils' home farm resources for farm practice. "; "Allen, H. B. "; "Agriculture--Study and teaching--Activity programs."; "Allen, H. B. "; "1932"; "Serial issue. Issued as: Vocational education bulletin, no.1 (1932:June).
"; ""; "P1609"; "pec"; "Agriculture--Study and teaching--Activity programs."; "14256"; .