Bunks, Carey. Grokking The Gimp (online textbook). Retrieved 12/27/2004 from http://gimp-savvy.com/BOOK/index.html

GIMP Documentation Team (1995-2005). The GIMP User Manual. Retrieved 12/27/2004 from http://docs.gimp.org/en/

Kimball, Spencer & Mattis, Peter, et. al. (1995-2005). The GIMP (software authors). Retrieved 12/27/2004 from http://www.gimp.org

Mammel, Michael J. Essential GIMP for Web Professionals (online textbook). Retrieved 12/27/2004 from http://authors.phptr.com/essential/gimp/

Okylander, Olaf & Kylander, Karen. Gimp, The Official Handbook. Coriolis Group Books, 1999.

Simoncic, Jernej. The GIMP for Windows (software installer). Retrieved 12/27/2004 from http://gimp-win.sourceforge.net/stable.html

Simoncic, Jernej. The GTK+ 2 Runtime Environment (software installer). Retrieved 12/27/2004 from http://gimp-win.sourceforge.net/stable.html

Various Authors. Macromedia Captivate Software. Retrieved 01/01/2005 from http://www.macromedia.com/software/captivate/

Various Authors. GIMP User Group Tutorials. Retrieved 12/27/2004 from http://gug.sunsite.dk/?page=tutorials

Various Authors. GIMP tutorials. Retrieved 12/27/2004 from http://www.gimp.org/tutorials/