[QD012G4281], Article, William Edward Sawyer, 1880
[QD012G-F] Litigation Series -- Printed Court Records -- Edison Electric Light Company v. United States Electric Lighting Company(1885-1892)
https://edisondigital.rutgers.edu/document/QD012G4281
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Archive.org Viewer, Microfilm Series Reel 48