Hervey C. Calkin (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Hervey C. Calkin" in English language version.

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4books.google.com

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1web.archive.org

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books.google.com

Ben Perley Poore, Congressional Directory for the First Session of the Forty-First Congress, 1869, page 30
John F. Trow, publisher, Trow's New York City Directory, 1862, page 134
Hervey C. Calkin, Speech to the U.S. House of Representatives: Shall We Build Our Own Ships Or Purchase Them from England, May 18, 1870
Thomas E. Spencer, Where They're Buried, 2009, page 233

nyc.gov

New York City Landmarks Preservation Commission, Weehawken Street Historic District Designation Report Archived 2013-06-29 at the Wayback Machine, 2006, page 30

nytimes.com

timesmachine.nytimes.com

New York Times, Forty-First Congress, December 5, 1870

si.edu

amhistory.si.edu

National Museum of American History, America on the Move, Life Raft Patent Model, Hervey C. Calkin, accessed January 19, 2013

web.archive.org

New York City Landmarks Preservation Commission, Weehawken Street Historic District Designation Report Archived 2013-06-29 at the Wayback Machine, 2006, page 30