Secondary Sources on the Internet

Author’s note:

Works which I believe would be of particular interest to readers are marked with an asterisk (*).

Internet resources

  American Philosophical Society. “History,” online at

* Baer, Christopher T. “A General Chronology of the Pennsylvania Railroad Company Predecessors and Successors and its Historical Context.” The Pennsylvania Railroad Technical & Historical Society, online at

  “Chicago’s Harbors: From the Chicago to the Calumet Rivers.” Encyclopedia of Chicago.

  “Clavière, Étienne.” Encyclopedia Britannica, 1911 Edition, Vol. 6. Online at

  Columbia College Alumni Association. “Alexander Hamilton CC 1778.” Online at

  Connecticut Herald, June 29, 1817, quoted in “Monroe’s 1817 Tour of the North,”online at, the website of Monroe’s Highland Home.

  Crawford, Alan Pell. “Washington, Madison and Jefferson.” George Washington’s Mount Vernon.

  “Etienne Dumont.” Historical Dictionary of Switzerland. Online at

Founders Online, U.S. National Archives.

  “François d’Ivernois.” Historical Dictionary of Switzerland. Online at

  “Jacques-Antoine Du Roveray.” Historical Dictionary of Switzerland. Online at

* Kotlensky, T. Arron. “West Point Foundry and the Great Works of Mechanical Engineering before the Civil War.” American Society of Mechanical Engineers. Scenic Hudson webpage, online at

  Ksander, Yaël. “The Canal Era.”

  National Ocean Service, National Oceanic and Atmospheric Service. “What is Geodesy?”

  “Pennsylvania and Ohio Canal.” Newton Falls, Ohio, Public Library.

  Poe, Edgar Allan. 1829 letter to Isaac Lea. Edgar Allan Poe Society.

  “Railroad Pioneers, 2: The West Point Foundry Locomotives,” Postscripts (online blog), April 9, 2012.
“Reading Line Firsts,” Iron Horse Image Gallery.

  Rickey, V. Frederick, and Shell-Gellasch, Amy. “Mathematics Education at West Point: The First Hundred Years – Charles Davies, Mathematics Professor, 1823-1837.” Mathematical Association of America.

  Rickey, V. Frederick. “Sylvanus Thayer, USMA 1808,” online at

  “Shays’ Rebellion & the Making of a Nation.” Springfield Technical Community College, online at

  Smithsonian Institution, National Museum of American History. “Locomotive model, ‘Brother Jonathan,’” online at

  Smithsonian National Museum of American History. “Sylvanus Thayer.” West Point in the Making of America, online at

* Whitford, Noble E. “History of the Canal System of the State of New York.” New York State Engineer and Surveyor, 1906, Vol. 1, online at

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