On guard!
Subtitle: A handbook for private security guards and those who supervise them
By: by Walter Johnston.
Edition: 1st ed.
Publisher: Vantage Press
Published: 1975
Place of publication: New York
Language: eng
Number of pages: 128
Subjects: Watchmen -- Handbooks, manuals, etc.; Police, Private -- Handbooks, manuals, etc.; Private security services.