http://www.accessexcellence.org/RC/AB/BC/Gregor_Mendel.html

http://www.mendel-museum.org/eng/1online/

http://anthro.palomar.edu/mendel/mendel_1.htm

http://www.mnsu.edu/emuseum/information/biography/klmno/mendel_gregor.html

http://www.biopoint.com/engaging/MENDEL/MENDEL.HTM