Penn State Altoona Frog Dissection http://www.aa.psu.edu/biology/frog/
University of Manitoba Anatomy of the Common Grass Frog http://www.umanitoba.ca/faculties/science/biological_sciences/lab17/
The Ultimate Frog Anatomy Review http://www.biologycorner.com/frog/review.html
Frog Morphology and Physiology Tutorials http://biog-101-104.bio.cornell.edu/Biog101_104/tutorials/frog.html#male_female
NetFrog http://frog.edschool.virginia.edu/Frog2/
Marymount School Multimedia Frog Dissection http://www.marymount.k12.ny.us/marynet/StudentWebwork01/frogdissection/index.htm
Frog Dissection http://sps.k12.ar.us/massengale/frog_dissection.htm