Ed Headrick (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ed Headrick" in English language version.

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2patents.google.com

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1dgcoursereview.com

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1theguardian.com

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bbc.co.uk

news.bbc.co.uk

"Frisbee inventor dies". 2002-08-14. Retrieved 2018-04-26.

dgcoursereview.com

"Oak Grove (Hahamongna Park)". Disc Golf Course Review. Retrieved 2018-04-26.

discgolf.com

"About Ed Headrick". Disc Golf Association. Retrieved 7 May 2020.
"About Ed Headrick – Father of Disc Golf • DGA | Disc Golf Association". DGA | Disc Golf Association. Retrieved 2018-04-26.
"Disc Golf History • DGA | Disc Golf Association". DGA | Disc Golf Association. Retrieved 2018-04-26.

nytimes.com

Martin, Douglas (2002-08-14). "Ed Headrick, 78, Designer Of the Commercial Frisbee". The New York Times. ISSN 0362-4331. Retrieved 2018-04-26.

patents.google.com

Flying saucer, 1965-11-01, retrieved 2018-04-26
Flying disc entrapment device, 1976-04-19, retrieved 2018-04-26

pdga.com

Staff, PDGA (2009-12-14). "The PDGA Rules!". Professional Disc Golf Association. Retrieved 2018-04-26.
dgentry (2009-02-11). "2020 PDGA Year End Demographics". Professional Disc Golf Association. Retrieved 2021-03-03.
Staff, PDGA (2009-09-02). "Oak Grove (Hahamongna Park)". Professional Disc Golf Association. Retrieved 2018-04-26.

sfgate.com

"Frisbee pioneer aimed for the heavens / Family of 'Steady Ed' Headrick hopes to mix his ashes into flying discs to fund his museum". SFGate. Retrieved 2018-04-26.

theguardian.com

Reed, Christopher (2002-08-15). "Obituary: Ed Headrick". the Guardian. Retrieved 2018-04-26.

worldcat.org

search.worldcat.org

Martin, Douglas (2002-08-14). "Ed Headrick, 78, Designer Of the Commercial Frisbee". The New York Times. ISSN 0362-4331. Retrieved 2018-04-26.

youtube.com

DGA | Disc Golf Association (2007-12-20), "Steady" Ed Headrick & Fred Morrison Inventors of the Frisbee, retrieved 2018-04-26