Url https://edisondigital.rutgers.edu/document/CJ621ABB Resource class dctype:Text Title [CJ621ABB], Letter from Walter Seeley Mallory to Thomas Alva Edison, June 13th, 1912 Creator Mallory, Walter Seeley Subject Competition and market structure Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1912-06-13 Type Letter Identifier CJ621ABB Source 204:413 Relation Whitehall Portland Cement Co Young, R S Trexler, Oscar Gerstell, Arnold Frederick Rights Thomas Edison National Historical Park Date Created 1912-06-13 Has Version https://archive.org/details/edisonmicrofilm204/page/n422/mode/1up Archive.org Viewer, Microfilm Series Reel 204 Is Part Of CJ621-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/CJ621ABB https://edisondigital.rutgers.edu/document/CJ621ABB --