Golf Course Superintendents Association of America
Phone: 800.472.7878
http://www.gcsaa.org/
Click the link for "Education" on the top menu bar.

Sports Turf Managers Association
Phone: 800.323.3875
Fax: 800.366.0391
E-mail: stmainfo@sportsturfmanager.com
http://www.stma.org/
Point your mouse at the "Resources" link at the top of the page. Select "University Turf Sites" from the menu that opens.

Turfgrass Producers International
Phone: 800.405.8873
Fax: 847.649.5678
E-mail: info@TurfGrassSod.org
http://www.TurfGrassSod.org/
Browse the links on the home page.