Url,"Resource class",Title,Creator,Subject,Description,Publisher,Date,Type,Format,Identifier,Source,Relation,Rights,"Alternative Title","Date Created","Date Issued","Has Version","Is Part Of","Has Format","Temporal Coverage","Date Accepted","Bibliographic Citation",Recipient,Uri https://edisondigital.rutgers.edu/document/X120CAA,dctype:Text,"[X120CAA], Letter from Thomas Alva Edison to Frank Julian Sprague, May 26th, 1878","Edison, Thomas Alva","Patents | Telephone",,"Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University",1878-05-26,Letter,,X120CAA,,"University of Pennsylvania | Western Union | Barker, George Frederick","The New York Public Library, Astor, Lenox, and Tilden Foundations",,1878-05-26,,,X120C-F,,,,,"Sprague, Frank Julian","https://edisondigital.rutgers.edu/document/X120CAA https://edisondigital.rutgers.edu/document/X120CAA"