Parshat Vayetze
Rabbinic commentary on the trials of the rejected matriarch.
http://www.ohrtorahstone.org.il/parsha/5763/vayetze63.htm

Tears of the Jewish Mothers
Rabbinic commentary on the "weak eyes" of Leah and the meaning of Jacob's bigamous marriage.
http://www.torah.org/learning/women/class47.html

Leah and the Lesson of Gratitude
Jewish commentary on the nature of the matriarch's noted thankfulness in the face of adversity.
http://www.aish.com/literacy/exploring/Leah_and_the_Lesson_of_Gratitude.asp

Leah and Rachel
A contemporary Baptist reevaluation of Jacob's wives, concluding Leah was the more virtuous.
http://www.1timothy4-13.com/files/proverbs/art18.html

Leah
Profile of the wife of Jacob from a joint Lutheran and Catholic bible study project.
http://www.aboutbibleprophecy.com/p91.htm