Justin Martyr, Philosopher, Apologist, and Martyr 
Biographical profile. With prayer in traditional and contemporary language.
http://elvis.rowan.edu/~kilroy/JEK/06/01.htmlCatholic Encyclopedia: St. Justin Martyr 
Lengthy article on the life and teachings of the apologist.
http://www.newadvent.org/cathen/08580c.htm
St. Justin the Philosopher 
Biography of the martyr. From Alban Butler's Lives of the Saints.
http://www.ewtn.com/library/MARY/JUSTIN.htm
Justin Martyr, Saint 
Brief summary of Justin's life and teachings. In the Columbia Encyclopedia.
http://www.bartleby.com/65/ju/JustinMa.html
St. Justin 
The story of St. Justin Martyr. Suitable for children.
http://www.tntt.org/vni/tlieu/saints/St0601.htm
The Development of the Canon of the New Testament: Justin Martyr, Saint 
Icon, brief biography, links to online works, how Justin Martyr's writings attest to the text of the New Testament.
http://www.ntcanon.org/Justin_Martyr.shtml
The Ecole Glossary: Justin Martyr 
Short biography, by Elise M. Bender.
http://www2.evansville.edu/ecoleweb/glossary/justin.html
Saint Justin 
Pious meditation on the life of St. Justin Martyr.
http://www.catholic.org/saints/saint.php?saint_id=74
St. Justin the Martyr 
Short biography, from the Greek Orthodox Archdiocese of Australia.
http://home.it.net.au/~jgrapsas/pages/justin.htm
Justin 
Biography of St. Justin Martyr.
http://www.saintpatrickdc.org/ss/0601.htm#just
Encyclopædia Britannica: Justin Martyr 
Article on the Christian philosopher and apologist, from the 11th edition (1911). Includes bibliography. Some scanner errors.
http://www.1911encyclopedia.org/Justin_Martyr
New Schaff-Herzog Encyclopedia of Religious Knowledge: Justin Martyr 
Four-page article by N. Bonwetsch on the life and teachings of Justin Martyr, including his Logos Christology. Also has an extensive bibliography. The HTML is readable, but the "image" version (PNG files) is better.
http://www.ccel.org/ccel/schaff/encyc06/Page_282.html
Justinus Martyr, St. 
In-depth examination of the theology of St. Justin Martyr, by H. Scott Holland. Brief bibliography, but copious quotations. Requires the ability to view PNG files.
http://www.ccel.org/ccel/wace/biodict/Page_617.html
Introductory Note to the Writings of Justin Martyr 
Information on the life and writings of St. Justin Martyr. By A. Cleveland Coxe. From the Ante-Nicene Fathers, vol. 1, American edition.
http://www.ccel.org/ccel/schaff/anf01.viii.i.html
The Martyrdom of the Holy Martyrs Justin, Chariton, Charites, Paeon, and Liberianus, Who Suffered at Rome 
Believed to be one of the most trustworthy martyrologies. M. Dods translation, with introduction by A. Cleveland Coxe. From the Ante-Nicene Fathers, vol. 1, American edition. In HTML, with notes, at Christian Classics Ethereal Library.
http://www.ccel.org/ccel/schaff/anf01.viii.xi.html
Patron Saints Index: Justin Martyr 
Illustrated profile.
http://saints.sqpn.com/saintj29.htm