蹄铁曲线 (宾夕法尼亚州) (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "蹄铁曲线 (宾夕法尼亚州)" in Chinese language version.

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12archive.org

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6nps.gov

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3worldcat.org

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2loc.gov

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1state.pa.us

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1psu.edu

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1news.google.com

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archive.org

Seidel 2008，第18頁. Seidel, David W. Horseshoe Curve. Images of Rail. Charleston, South Carolina: Arcadia Publishing. 2008. ISBN 0-7385-5707-2.
Seidel 2008，第18–19頁. Seidel, David W. Horseshoe Curve. Images of Rail. Charleston, South Carolina: Arcadia Publishing. 2008. ISBN 0-7385-5707-2.
United States, 63rd Congress. Transportation of Coal: Hearings before the Subcommittee of the Committee on Naval Affairs United States Senate. Washington, DC: Government Printing Office. 1915: 367.
Seidel 2008，第19, 25頁. Seidel, David W. Horseshoe Curve. Images of Rail. Charleston, South Carolina: Arcadia Publishing. 2008. ISBN 0-7385-5707-2.
Seidel 2008，第43頁. Seidel, David W. Horseshoe Curve. Images of Rail. Charleston, South Carolina: Arcadia Publishing. 2008. ISBN 0-7385-5707-2.
Seidel 2008，第113頁. Seidel, David W. Horseshoe Curve. Images of Rail. Charleston, South Carolina: Arcadia Publishing. 2008. ISBN 0-7385-5707-2.
Cohen 2002，第47頁. Cohen, Gary. The Keystone Kommandos. The Atlantic Monthly. February 2002, 289 (2): 46–59. ISSN 1072-7825.
Cohen 2002，第46–47頁. Cohen, Gary. The Keystone Kommandos. The Atlantic Monthly. February 2002, 289 (2): 46–59. ISSN 1072-7825.
Cohen 2002，第53頁. Cohen, Gary. The Keystone Kommandos. The Atlantic Monthly. February 2002, 289 (2): 46–59. ISSN 1072-7825.
Horseshoe Centenary. Life (Henry Luce). November 1, 1954: 37.
Seidel 2008，第31, 108頁. Seidel, David W. Horseshoe Curve. Images of Rail. Charleston, South Carolina: Arcadia Publishing. 2008. ISBN 0-7385-5707-2.
Treese, Lorett. Railroads of Pennsylvania: Fragments of the Past in the Keystone Landscape. Mechanicsburg, Pennsylvania: Stackpole Books. 2003: 203. ISBN 0-8117-2622-3.

loc.gov

lccn.loc.gov

Stauffer 1962，第161頁. Stauffer, Alvin W. Pennsy Power. Carrollton, Ohio: Standard Print & Publishing. 1962. LCCN 62020878.
Stauffer 1962，第159頁. Stauffer, Alvin W. Pennsy Power. Carrollton, Ohio: Standard Print & Publishing. 1962. LCCN 62020878.

news.google.com

Renovated Horseshoe Curve museum expecting many tourists this year. Observer-Reporter (Washington, Pennsylvania). March 1, 1992: F5 [March 5, 2012]. （原始内容存档于2020-04-14）.

nps.gov

pdfhost.focus.nps.gov

Greenwood 1975，§ 8, p. 3. Greenwood, Richard. Horseshoe Curve (PDF). National Register of Historic Places—Nomination Form. National Park Service. August 9, 1975 [January 30, 2012]. ^{[永久失效連結]}
Greenwood 1975，§ 7, p. 1. Greenwood, Richard. Horseshoe Curve (PDF). National Register of Historic Places—Nomination Form. National Park Service. August 9, 1975 [January 30, 2012]. ^{[永久失效連結]}
Greenwood 1975，§ 8, p. 2. Greenwood, Richard. Horseshoe Curve (PDF). National Register of Historic Places—Nomination Form. National Park Service. August 9, 1975 [January 30, 2012]. ^{[永久失效連結]}
Greenwood 1975，§ 8, p. 1. Greenwood, Richard. Horseshoe Curve (PDF). National Register of Historic Places—Nomination Form. National Park Service. August 9, 1975 [January 30, 2012]. ^{[永久失效連結]}

nrhp.focus.nps.gov

NPS Focus. National Register of Historic Places. National Park Service. [January 30, 2012]. （原始内容存档于2008-07-25）.

nps.gov

List of National Historic Landmarks by State (PDF). National Historic Landmarks Program. National Park Service: 83. March 2012 [May 29, 2012]. （原始内容 (PDF)存档于2012-11-12）.

nscorp.com

With a proud legacy, Juniata plays a key role in NS' future (PDF). BizNS (Norfolk Southern Railway). November–December 2011, 3 (6): 5 [February 23, 2012]. （原始内容存档 (PDF)于2016-10-20）.

nytimes.com

Barry, Dan. Awesome Train Set, Mr. Buffett. The New York Times. November 3, 2009 [February 19, 2012]. （原始内容存档于2017-08-05）.

psu.edu

pabook.libraries.psu.edu

Woods, Claire. Up and Down 'Round and 'Round and Back Again. Literary Map of Pennsylvania. Pennsylvania Center of the Book, Pennsylvania State University. Spring 2010 [May 29, 2012]. （原始内容存档于2012年8月1日）.

state.pa.us

legis.state.pa.us

Pennsylvania General Assembly. Senate Bill 1716. Harrisburg: Commonwealth of Pennsylvania. [January 30, 2012]. （原始内容存档于2017-08-05）.

web.archive.org

NPS Focus. National Register of Historic Places. National Park Service. [January 30, 2012]. （原始内容存档于2008-07-25）.
Pennsylvania General Assembly. Senate Bill 1716. Harrisburg: Commonwealth of Pennsylvania. [January 30, 2012]. （原始内容存档于2017-08-05）.
Woods, Claire. Up and Down 'Round and 'Round and Back Again. Literary Map of Pennsylvania. Pennsylvania Center of the Book, Pennsylvania State University. Spring 2010 [May 29, 2012]. （原始内容存档于2012年8月1日）.
List of National Historic Landmarks by State (PDF). National Historic Landmarks Program. National Park Service: 83. March 2012 [May 29, 2012]. （原始内容 (PDF)存档于2012-11-12）.
Renovated Horseshoe Curve museum expecting many tourists this year. Observer-Reporter (Washington, Pennsylvania). March 1, 1992: F5 [March 5, 2012]. （原始内容存档于2020-04-14）.
With a proud legacy, Juniata plays a key role in NS' future (PDF). BizNS (Norfolk Southern Railway). November–December 2011, 3 (6): 5 [February 23, 2012]. （原始内容存档 (PDF)于2016-10-20）.
Barry, Dan. Awesome Train Set, Mr. Buffett. The New York Times. November 3, 2009 [February 19, 2012]. （原始内容存档于2017-08-05）.

worldcat.org

Cohen 2002，第47頁. Cohen, Gary. The Keystone Kommandos. The Atlantic Monthly. February 2002, 289 (2): 46–59. ISSN 1072-7825.
Cohen 2002，第46–47頁. Cohen, Gary. The Keystone Kommandos. The Atlantic Monthly. February 2002, 289 (2): 46–59. ISSN 1072-7825.
Cohen 2002，第53頁. Cohen, Gary. The Keystone Kommandos. The Atlantic Monthly. February 2002, 289 (2): 46–59. ISSN 1072-7825.