巴德公司 (Chinese Wikipedia)
Analysis of information sources in references of the Wikipedia article "巴德公司" in Chinese language version.
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airfields-freeman.com
- Photograph (JPG). Airfields-freeman.com. [2015-06-25]. （原始内容存档于2016-03-04）.
- Abandoned & Little-Known Airfields: Pennsylvania – Northeastern Philadelphia area. Paul Freeman. [2007-12-07]. （原始内容存档于2019-01-23）.
archive.org
- Cimino, Deirdre. Spirited Philadelphia Adventure
. Junior League of Philadelphia. 2000. ISBN 0-9626959-1-2. - Grosser, Morton. Gossamer Odyssey: The Triumph of Human-Powered Flight. Houghton Mifflin. 1981. ISBN 0-7603-2051-9.
fundinguniverse.com
- History of The Budd Company – FundingUniverse. Fundinguniverse.com. [2015-06-25]. （原始内容存档于2011-09-10）.
google.com
- Patent 2,425,498 – "Airplane". United States Patent Office. 1942-07-18 [2008-02-18].
msacomputer.com
- Peter M. Bowers. Italian amphib: "Savoia-Marchetti S-56 was tough plane to manage on the water". General Aviation News. 1999-10-01 [2007-12-06]. （原始内容存档于July 13, 2007）.
nps.gov
nrhp.focus.nps.gov
- National Register Information System. National Register of Historic Places. National Park Service. 2009-03-13.
thyssenkrupp.com
- Internationalization and further vertical diversification – Bonn Republic – ThyssenKrupp AG. Thyssenkrupp.com. 2013-09-30 [2015-06-25]. （原始内容存档于2015-06-26）.
waymaking.com
- www.waymaking.com https://web.archive.org/web/20090304012934/http://www.waymaking.com/waymarks/WM3851. （原始内容存档于March 4, 2009）. 缺少或
|title=为空 (帮助)
web.archive.org
- Photograph (JPG). Airfields-freeman.com. [2015-06-25]. （原始内容存档于2016-03-04）.
- www.waymaking.com https://web.archive.org/web/20090304012934/http://www.waymaking.com/waymarks/WM3851. （原始内容存档于March 4, 2009）. 缺少或
|title=为空 (帮助) - Peter M. Bowers. Italian amphib: "Savoia-Marchetti S-56 was tough plane to manage on the water". General Aviation News. 1999-10-01 [2007-12-06]. （原始内容存档于July 13, 2007）.
- Abandoned & Little-Known Airfields: Pennsylvania – Northeastern Philadelphia area. Paul Freeman. [2007-12-07]. （原始内容存档于2019-01-23）.
- Internationalization and further vertical diversification – Bonn Republic – ThyssenKrupp AG. Thyssenkrupp.com. 2013-09-30 [2015-06-25]. （原始内容存档于2015-06-26）.
- History of The Budd Company – FundingUniverse. Fundinguniverse.com. [2015-06-25]. （原始内容存档于2011-09-10）.