A.V. Bleininger
Albert Bleininger
Arthur E. Dodd
Created by Harbison-Walker Refractories Company
Created by U.S. Environmental Protection Agency
Editorial DataGroup
G.H. Brown
Harbison-Walker Refractories Co
Harbison-Walker Refractories Company
Icon Group
John Otis Everhart
O Cleveland Stowe-Fuller co.
Philip M. Parker
Source Wikia
U.S. Government
United States Bureau of the Census