Instructors' manual for training public school janitors and janitor engineers /

Bibliographic Details

Main Author:	Martin, Ray L.
Corporate Author:	Texas. State Department of Education
Other Authors:	Hunsdon, N. S.
Format:	Government Document Book
Language:	English
Published:	Austin, Tex. : State Dept. of Education, [1932]
Series:	Bulletin (Texas. State Department of Education) ; 306.
Subjects:	School custodians.