Caspar Wistar Haines, Lehigh 1874 Manuscript of “Curvas de Ferro Carril”, SC MS 016, Special Collections, Linderman Library, Lehigh University, Bethlehem, PA
Caspar Wistar Haines, Lehigh 1874 Manuscript of “Curvas de Ferro Carril”, SC MS 016, Special Collections, Linderman Library, Lehigh University, Bethlehem, PA https://archivesspace.lib.lehigh.edu//repositories/3/resources/326 Accessed September 24, 2023.