Edison Chemical Works and Other Silver Lake Plants
New Jersey and Pennsylvania Concentrating Works
Financial operations (companies and organizations)
[CJ654-F] Company Records Series -- Edison Portland Cement Company -- Financial Records
https://edisondigital.rutgers.edu/document/CJ654AAA
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Archive.org Viewer, Microfilm Series Reel 207