Url https://edisondigital.rutgers.edu/document/CJ617ADO Resource class dctype:Text Title [CJ617ADO], Letter from Herman E Kiefer to Thomas Alva Edison, October 20th, 1909 Creator Kiefer, Herman E Subject Metals and minerals Cement Publisher Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University Date 1909-10-20 Type Letter Identifier CJ617ADO Source 203:693 Rights Thomas Edison National Historical Park Date Created 1909-10-20 Has Version https://archive.org/details/edisonmicrofilm203/page/n703/mode/1up Archive.org Viewer, Microfilm Series Reel 203 Is Part Of CJ617-F Recipient Edison, Thomas Alva Uri https://edisondigital.rutgers.edu/document/CJ617ADO https://edisondigital.rutgers.edu/document/CJ617ADO --