Other christian denominations

Baptist Studies online: biographies, archives (http://baptiststudiesonline.com/library/)

Clergy of the Church of England Database 1540-1835 (CCEd) (https://theclergydatabase.org.uk/jsp/search/index.jsp) 

Gameo, Global Anabaptist Mennonite Encyclopedia Online (www.gameo.org)

MennLex, Mennonitisches Lexikon (http://mennlex.de/doku.php)

The Encyclopedia of World Methodism (2 vol., 1974) (via www.archive.org) 

American Methodism (Duke Divinity School) (http://divinityarchive.com/handle/11258/9)

Société des missions évangéliques de Paris: archives et bibliothèque (http://www.defap-bibliotheque.fr/fr/).

Biografisch lexicon voor de geschiedenis van het Nederlands protestantisme (https://resources.huygens.knaw.nl/lexiconprotestantisme)

Dictionary of Unitarian & Universalist Biography (https://uudb.org/)