1922 Picardie mid-air collision (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "1922 Picardie mid-air collision" in English language version.

refsWebsite

Global rank English rank

7^th place

7^th place

1flightglobal.com

223^rd place

162^nd place

5^th place

5^th place

low place

low place

1web.archive.org

1^st place

1^st place

1eurocontrol.int

9,225^th place

7,811^th place

chez-alice.fr

jnpassieux.chez-alice.fr

"DH.18 from jnpassieux.chez-alice.fr" (in French). Retrieved 9 December 2007.

eurocontrol.int

"APPENDIX B – Previous significant midair occurrences" (PDF), Review of ACAS RA Downlink, eurocontrol.int, p. 20 (page 26 of document), archived from the original (PDF) on 27 September 2007, retrieved 7 December 2007

flightglobal.com

"London-Paris machines collide". Flight: 215. 13 April 1922. Retrieved 29 March 2007.

nytimes.com

"Americans Die in French Air Crash" The New York Times. 8 April 1922.

web.archive.org

"APPENDIX B – Previous significant midair occurrences" (PDF), Review of ACAS RA Downlink, eurocontrol.int, p. 20 (page 26 of document), archived from the original (PDF) on 27 September 2007, retrieved 7 December 2007

worldcat.org

search.worldcat.org

Jackson, Aubrey Joseph (1973). British Civil Aircraft since 1919, Vol. 2. London: Putnam. OCLC 59161340.