There are many books about Molokasn:
http://molokane.org/molokan/NEWS/New_Books.htm
For Molokans in Mexico (in English) see:
The Russian Colony of Guadalupe Molokans in Mexico. By George W. Mohoff, 226 pages, 1995. 199 photos/illustrations, plus a cross-indexed map of each home in the colony. Everything you should know about Molokans in Mexico is in this book--from V.G. Moloff fleeing the Tsar's army while doing guard duty in St. Petersburg, to land owner-ship, swimming in the river, cowboys and Indians, farm animals, church services, and more. $25 from George Mohoff, 2221 Via Camille, Montebello CA 90640; phone: 323-721-8610