Pamphlet on the evolution of the art of fortification
By: Prepared under the personal direction of Major General William M. Black, chief of engineers, U.S. army. 1919.
Contributors: Black, William Murray, 1855-1933.
Series: Occasional papers, Engineer school, U.S. army,; no. 58
Publisher: Govt. print. off.
Published: 1919
Place of publication: Washington
Language: eng
Number of pages: 107
Subjects: Fortification.