Pioneer Zephyr (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pioneer Zephyr" in English language version.

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all-railroads.com

archive.org

asminternational.org

books.google.com

dorneypark.com

  • Dorney Park & Wildwater Kingdom (2006). "Rides: Zephyr". Cedar Fair Entertainment Company. Archived from the original on June 18, 2006. Retrieved June 15, 2006.

espacenet.com

worldwide.espacenet.com

  • US patent 1944106, Earl J. W. Ragsdale, "Method and product of electric welding", issued 1934-01-15, assigned to Edward G. Budd Manufacturing Company 
  • US patent 2256493, Earl J. W. Ragsdale & Albert G. and Walter P. Dean, "Rail car front end construction", issued 1941-09-23, assigned to Budd Manufacturing Company 
  • US patent 2256494, Earl J. W. Ragsdale & Albert G. Dean, "Rail car front end construction", issued 1941-09-23, assigned to Budd Manufacturing Company 

finenscale.com

irm.org

mail.ru

cloud.mail.ru

merriam-webster.com

msichicago.org

mth-railking.com

newspapers.com

pbs.org

prototrains.com

railmerchants.net

railmodel.com

riverraisinmodels.com

timetableimages.com

trains.com

trainweb.org

web.archive.org

youtube.com