Other
The Gnostic Society Library: The Apocalypse of Adam
One of the Gnostic texts, this is the revelations of Adam as he revealed them to his son Seth. This was part of the Nag Hammadi library.
New Advent
Catholic Encyclopedia: Adam
Discusses translation of Adam, his creation, and actions in Genesis. Please note that ?The Catholic Encyclopedia? is a historic reference source and should be viewed in the context of resource material dated around 1910.
Bible Study Tools
Baker's Evangelical Dictionary: Adam
A great site to begin your study of Adam in Genesis.
Bible Study Tools
Smith's Bible Dictionary: Adam
This resource defines and presents some information about Adam, the first man according to the Christian religion.