Proceedings of Plant protection school
Subtitle: transcript of lectures presented at three-day school in Philadelphia, November, 1941.
Publisher: State Council of Defense
Published: 1941
Place of publication: Harrisburg, Pa
Language: eng
Number of pages: 130
Subjects: Civil defense.; Factories -- Protection.
Other titles: Plant protection school.
Notes: Cover-title.
At head of title: Commonwealth of Pennsyhlvania. State Council of Defense.