Hog Island, Philadelphia (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Hog Island, Philadelphia" in English language version.

refsWebsite

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14^th place

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1roadstothegreatwar-ww1.blogspot.com

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135^th place

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1books.google.com

3^rd place

3^rd place

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34st.com

"Philly Via Italy", thirtyfourthstreetmagazine, April 17, 2007, page 9.

archive.today

Netzlof, Robert T. (7 March 2001). "Corporate Genealogy Philadelphia, Baltimore & Washington". Robert T. Netzlof. Archived from the original on 22 July 2012. Retrieved 7 October 2019.

books.google.com

"Machinery Markets and News of the Works". The Iron Age. 107 (17): 1151. April 28, 1921.

nps.gov

npgallery.nps.gov

Kardas, S.; Larrabee, E. "Hog Island Cranes". National Register of Historic Places. National Park Service.

pennsyrr.com

rnetzlof.pennsyrr.com

Netzlof, Robert T. (7 March 2001). "Corporate Genealogy Philadelphia, Baltimore & Washington". Robert T. Netzlof. Archived from the original on 22 July 2012. Retrieved 7 October 2019.

roadstothegreatwar-ww1.blogspot.com

Worcester, Kimball (7 February 2015). "The Great War's Largest Shipyard: Hog Island, Philadelphia, Pennsylvania". roadstothegreatwar-ww1.blogspot.com. Retrieved 4 October 2018.