Jack Northrop (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Jack Northrop" in Italian language version.

refsWebsite

Global rank Italian rank

2web.archive.org

1^st place

1^st place

low place

low place

8,084^th place

low place

low place

low place

bergen.org

Jack Northrop Archiviato il 21 agosto 2004 in Internet Archive., 2 maggio 2007.

donet.com

nationalaviation.blade6.donet.com

National Aviation Hall of Fame, NAHF: John Northrop, Biography Archiviato il 27 settembre 2007 in Internet Archive., 2 maggio 2007.

monash.edu.au

ctie.monash.edu.au

Jack Northrop (1895-1981), 2 maggio 2007.

web.archive.org

National Aviation Hall of Fame, NAHF: John Northrop, Biography Archiviato il 27 settembre 2007 in Internet Archive., 2 maggio 2007.
Jack Northrop Archiviato il 21 agosto 2004 in Internet Archive., 2 maggio 2007.