6 books
Handbuch Des Geschichte Des Mittelalters (2; V. 4 )
The Cement Age Volume 10-11; A Magazine Devoted to the Uses of Cement
Cement Age Volume 14
Concrete Factories ... Including Reports of the Sub-Committee on Tests, the U.S. Geological Survey & the French Rules on Reinforced Concrete
History of the Portland Cement Industry in the United States
Concrete Factories Including Reports of the Sub-Committee on Tests, the U.S. Geological Survey