Boeing Model 40 (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Boeing Model 40" in Simple English language version.

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leebottom.com

"Pemberton & Sons Aviation". Archived from the original on 2016-01-10. Retrieved 2021-01-16. {{cite web}}: More than one of |archivedate= and |archive-date= specified (help); More than one of |archiveurl= and |archive-url= specified (help)

Boeing 40C Flies For the First Time in 80 Years Archived 2011-04-08 at the Wayback Machine VintageAircraft, 2008 - 02/21
Lee Bottom Flying Field Archived 2008-05-09 at the Wayback Machine This Just In
"Pemberton & Sons Aviation". Archived from the original on 2016-01-10. Retrieved 2021-01-16. {{cite web}}: More than one of |archivedate= and |archive-date= specified (help); More than one of |archiveurl= and |archive-url= specified (help)
Boeing on 787 aerial rendezvous with 1928 Model 40 Archived 2011-02-02 at the Wayback Machine. Seattlepi.com