The School Janitor, Vol. 24 John Absalom Garber

Excerpt from The School Janitor, Vol. 24: A Study of the Functions and Administration of School Janitor Service

There are three reasons why the following study of the school janitor service has been made:

1. The importance of the janitors Это и многое другое вы найдете в книге The School Janitor, Vol. 24 (John Absalom Garber)