Abraham Lincoln's patent (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Abraham Lincoln's patent" in English language version.

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abrahamlincolnonline.org

books.google.com

cyberdriveillinois.com

doi.org

ladas.com

newspapers.com

pddoc.com

  • "Lincoln's Patent" (PDF). American Civil War Anecdotes, Incidents, Articles, and Books. Skedaddle. Retrieved December 24, 2011.

si.edu

americanhistory.si.edu

historyexplorer.si.edu

smithsonianmag.com

  • Edwards, Owen (October 2006). "Inventive Abe: In 1849, a future president patented an ingenious addition to transportation technology". Smithsonian. Archived from the original on January 1, 2012. Retrieved December 23, 2011.

web.archive.org

  • Edwards, Owen (October 2006). "Inventive Abe: In 1849, a future president patented an ingenious addition to transportation technology". Smithsonian. Archived from the original on January 1, 2012. Retrieved December 23, 2011.
  • "A Brief History of the Patent Law of the United States". Archived from the original on January 15, 2013. Retrieved December 29, 2011.
  • "Abraham Lincoln, Second Lecture on Discoveries and Inventions". Jacksonville, IL: Illinois State Library. February 11, 1859. Archived from the original on January 26, 2012. Retrieved December 23, 2011.

worldcat.org

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