Gnostic Gospels

Gospel of Thomas
http://www.earlychristianwritings.com/thomas.html

The Secret Book of James
http://www.earlychristianwritings.com/secretjames.html

Basilides
http://www.earlychristianwritings.com/basilides.html

Naassene Fragment
http://www.earlychristianwritings.com/naassene.html

Dialogue of the Savior
http://www.earlychristianwritings.com/dialoguesavior.html

Gospel of the Savior
http://www.earlychristianwritings.com/gospelsavior.html

Marcion
http://www.earlychristianwritings.com/marcion.html

Epiphanes On Righteousness
http://www.earlychristianwritings.com/epiphanes.html

Ophite Diagrams
http://www.earlychristianwritings.com/ophite.html

Fragments of Ptolemy
http://www.earlychristianwritings.com/ptolemy.html

Gospel of Truth
http://www.earlychristianwritings.com/gospeltruth.html

Excerpts of Theodotus
http://www.earlychristianwritings.com/theodotus.html

Fragments of Heracleon
http://www.earlychristianwritings.com/heracleon.html

Acts of Peter
http://www.earlychristianwritings.com/actspeter.html

Acts of Thomas
http://www.earlychristianwritings.com/actsthomas.html
 

 Here are some books about Gnostics and Gnosticism.
Gnostic Truth and Christian Heresy : A Study in the History of Gnosticism by Alastair H. B. Logan The Elements of Gnosticism by Stuart Holroyd Rethinking "Gnosticism" by Michael Allen Williams The Gnostic Paul by Elaine Pagels The Gnostic Gospels by Elaine Pagels Gnosis : The Nature and History of Gnosticism by Kurt Rudolph

 Here are some web pages about Gnostics and Gnosticism.
The Gnostic Society Library Catholic Encyclopedia: Gnosticism Religious Tolerance: Ancient Gnosticism Henry Wace: Gnosticism