Cañón Dahlgren (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Cañón Dahlgren" in Spanish language version.

refsWebsite

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1pittsburghlive.com

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1web.archive.org

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1books.google.com

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books.google.com

Greene, Jack (1998). Ironclads at war: the origin and development of the armored warship, 1854–1891. Combined Publishing. p. 324. ISBN 978-0-938289-58-6. OCLC 231730435.

pittsburghlive.com

Carl Prine (13 de julio de 2008). «Fort Pitt foundry known for 'monster' weapons». Pittsburgh Tribune-Review. (enlace roto disponible en Internet Archive; véase el historial, la primera versión y la última).

web.archive.org

Carl Prine (13 de julio de 2008). «Fort Pitt foundry known for 'monster' weapons». Pittsburgh Tribune-Review. (enlace roto disponible en Internet Archive; véase el historial, la primera versión y la última).

worldcat.org

Greene, Jack (1998). Ironclads at war: the origin and development of the armored warship, 1854–1891. Combined Publishing. p. 324. ISBN 978-0-938289-58-6. OCLC 231730435.