. . "Inventeurs États-Unis Documents et correspondance." . . "A guide to Thomas A. Edison papers : a selective microfilm edition"@en . . "History"@en . . "A Guide to Thomas A. Edison papers : a selective microfilm edition" . "A guide to Thomas A. Edison papers a selective microfilm edition"@en . . . . . . . "Archives"@en . . . . . "Sources"@en . .