Sigma Alpha - Zeta Chapter
- Zeta Chapter of Sigma Alpha at the Louisiana State University in Baton Rouge, LA
- http://sigma-alpha.itgo.com/

Sigma Alpha - Epsilon Chapter
- Pennsylvania State University chapter of the agriculture sorority. Purpose, photos, family tree, rush, and sister bios and alumnae information.
- http://www.cas.psu.edu/docs/casover/sig/

Sigma Alpha - Alpha Delta Chapter
- Alpha Delta chapter of Sigma Alpha at the University of Nebraska in Lincoln, NE.
- http://www.ianr.unl.edu/sigma_alpha/

Sigma Alpha - Official Site
- Sigma Alpha, founded in 1978 at The Ohio State University, is a professional sorority for women in agriculture that promotes scholarship, leadership, service and fellowship among its members.
- http://www.sigmaalpha.org