American standard building code requirements for masonry
By: by Sectional Committee on Building Code Requirements and Good Practice Recommendations for Masonry, A41 under the sponsorship of the National Bureau of Standards.
Series: National Bureau of Standards miscellaneous publication -- M174
Publisher: U.S. Govt. Print. Off.
Published: 1944
Place of publication: Washington
Language: eng
Number of pages: 37
Subjects: Masonry -- Specifications.
Genres: Specifications.
Notes: At head of title: U.S. Dept. of Commerce. Jesse H. Jones, secretary. National Bureau of Standards. Lyman J. Briggs, director.

"Issued March 15, 1944, approved January 22, 1944, by the American Standards Association as American Standard A41.1-1944."

References: p. 36-37.