. . . . . . . . . . . . . . . . . . . . . . "History"@en . . "The Felton papers consist of correspondence, memoranda, reports, etc. of Samuel Morse Felton and his son Samuel Morse Felton, both civil engineers who became prominent railroad executives."@en . . . . . . . . . . . . . . . . . . . . . . "Felton papers"@en . . . . . . . "Hoosac Tunnel." . . "Philadelphia, Wilmington and Baltimore Railroad." . . "United States" . . . .