Union Switch & Signal (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Union Switch & Signal" in English language version.

refsWebsite

Global rank English rank

4web.archive.org

1^st place

1^st place

2ansaldo-sts.com

low place

low place

2news.google.com

59^th place

45^th place

1post-gazette.com

569^th place

354^th place

6^th place

6^th place

1americanstandard-us.com

low place

low place

1,476^th place

1,056^th place

340^th place

295^th place

americanstandard-us.com

American Standard Brands, Piscataway, NJ. "1968: WABCO Joins Forces with American Standard." The History of American Standard. Accessed 2011-06-11.

ansaldo-sts.com

"History of Ansaldo - key milestones". Ansaldo STS. May 13, 2011. Archived from the original on November 10, 2011.
"Ansaldo STS USA". Our Companies. Ansaldo STS. June 25, 2011. Archived from the original on March 21, 2012.

archive.org

American Railway Association (1922). The Invention of the Track Circuit. New York. p. 59.{{cite book}}: CS1 maint: location missing publisher (link)

news.google.com

McKay, Jim (September 24, 1993). "Union Switch showing strength". Pittsburgh Post-Gazette. p. 10.
Massey, Steve (March 4, 1993). "Union Switch move sends a signal". Pittsburgh Post-Gazette. p. 14.

pitt.edu

digital.library.pitt.edu

"Photographs from the Union Switch & Signal Collection". Historic Pittsburgh. University of Pittsburgh. Retrieved June 13, 2016.

post-gazette.com

Smith, Brady (March 13, 2014). "Let's Learn From the Past: Union Switch & Signal Co". Pittsburgh Post-Gazette. Archived from the original on April 9, 2015.

si.edu

airandspace.si.edu

"Le Rhone Model C, 9 Cylinder, Rotary Engine". Smithsonian National Air and Space Museum.

web.archive.org

Smith, Brady (March 13, 2014). "Let's Learn From the Past: Union Switch & Signal Co". Pittsburgh Post-Gazette. Archived from the original on April 9, 2015.
Ansaldo STS USA on Ansaldo website (archived, March 8, 2009)
"History of Ansaldo - key milestones". Ansaldo STS. May 13, 2011. Archived from the original on November 10, 2011.
"Ansaldo STS USA". Our Companies. Ansaldo STS. June 25, 2011. Archived from the original on March 21, 2012.