Johann Wessel (Wessel Harmenss Gansfort)
- Four pages on Wessel in the New Schaff-Herzog Encyclopedia of Religious Knowledge.
- http://www.ccel.org/ccel/schaff/encyc12/Page_311.html

Thomas a Kempis
- A short description of his connection with the Brethren of the Common Life.
- http://prayerfoundation.org/favoritemonks/favorite_monks_thomas_a_kempis.htm

John Wessel Goesport (Gansfort)
- Catholic Encyclopedia article on this member of the Brethren of the Common Life.
- http://www.newadvent.org/cathen/15590a.htm

Gerard Groote
- A forerunner of the Reformation, founder of the Brothers of the Common Life.
- http://wisdomsgoldenrod.org/publications/misc/gerard_groote.html

Florens Radewyns
- A co-founder, with Groote, of the movement.
- http://www.newadvent.org/cathen/12631b.htm

Devotio Moderna: The Brethren of the Common Life
- Description of the movement and its teachings.
- http://www.eldrbarry.net/heidel/bcl.htm

Brethren of the Common Life
- A Catholic Encyclopedia article.
- http://www.newadvent.org/cathen/04166b.htm