Url https://edisondigital.rutgers.edu/document/CJ621ABG Resource class dctype:Text Title [CJ621ABG], Letter from Herman E Kiefer to Walter Seeley Mallory, June 21st, 1912 Creator Kiefer, Herman E Subject Competition and market structure Cement Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1912-06-21 Type Letter Identifier CJ621ABG Source 204:425 Relation Delaware Lackawanna and Western Railroad Edison, Thomas Alva Rights Thomas Edison National Historical Park Date Created 1912-06-21 Has Version https://archive.org/details/edisonmicrofilm204/page/n434/mode/1up Archive.org Viewer, Microfilm Series Reel 204 Is Part Of CJ621-F Recipient Mallory, Walter Seeley Uri https://edisondigital.rutgers.edu/document/CJ621ABG https://edisondigital.rutgers.edu/document/CJ621ABG --