Encyclopædia Britannica: Luke
- Essay on the traditional author of the third Gospel. In the 11th edition (1911). Some scanner errors.
- http://www.1911encyclopedia.org/Luke

The Ecole Glossary: Luke
- Short biographical portrait of Paul's "beloved physician," by Karen Rae Keck.
- http://www2.evansville.edu/ecoleweb/glossary/luke.html

Saint Luke
- Hagiography.
- http://www.catholic.org/saints/saint.php?saint_id=76

St Luke the Evangelist
- From Butler's Lives of the Saints.
- http://www.ewtn.com/library/MARY/STLUKE.htm

Luke the Evangelist
- Profile. With prayer in traditional and contemporary language.
- http://elvis.rowan.edu/~kilroy/JEK/10/18.html

St. Luke
- The story of the doctor and author. Suitable for children.
- http://www.tntt.org/vni/tlieu/saints/St1018.htm

Gospel of Saint Luke
- Lengthy essay in the Catholic Encyclopedia includes a thorough treatment of what is known of Luke's life. Also considers the authenticity of the Gospel, the likelihood that the same author wrote Acts, and some special questions regarding this Gospel.
- http://www.newadvent.org/cathen/09420a.htm

Luke the Apostle
- Illustrated profile.
- http://www.catholic-forum.com/saints/saintl06.htm