Jewish Encyclopedia: Caleb 
Overview of the honest Israelite scout from the traditional Jewish perspective, including rabbinic commentary.
http://www.jewishencyclopedia.com/view.jsp?artid=41&letter=CCaleb
Biblical biography of the righteous Israelite permitted to enter the Promised Land.
http://www.execulink.com/~wblank/20000917.htm
Caleb
Profile of the truthful Israelite from a joint Lutheran and Catholic bible study project.
http://www.aboutbibleprophecy.com/p11.htm
Parshas Shlach
Rabbinic commentary on the differences between Caleb and Joshua, the two former slaves allowed to enter Israel.
http://www.neveh.org/ciner/parsha58/shlach.html
Caleb--The Endurance of Faith
A Christian character study of the faithful Israelite.
http://www.heraldmag.org/literature/bio_4.htm
Kalev and Othniel: A Tale of Two Brothers
Talmudic interpretations of the interactions between the Israelite brother in the Torah.
http://ohr.edu/tw/weinbach/loveland/pol026.htm
