Margaret Osborne duPont, 94, Tennis Champion, Dies - The New York Times
www.TennisDC.com | DC NW - Dupont Circle - 23rd & O tennis courts
Facilities — The Playbook — Squadz
MIT Tennis Courts » Fenagh Engineering
Lexington girls perhaps surprise even themselves with Division 1 tennis state title - The Boston Globe
Margaret Osborne duPont obituary | Tennis | The Guardian
File:Marcel Dupont et Jacques Brugnon.jpg - Wikimedia Commons
Parks and Facilities • San Francisco Recreation and Parks, CA • CivicEngage
Margaret Osborne duPont - Wikipedia
MIT Athletics on Twitter: "The replacement of the DuPont Tennis Courts, the home to @MITWTennis and @MITtennis, are moving right along here in Cambridge! Starting to look like some first-class tennis courts!