Francoeur, Robert T.; Noonan, Raymond J. (2004). The Continuum Complete International Encyclopedia of Sexuality. A&C Black. стр. 361. ISBN9780826414885. Приступљено 14. 10. 2014. „The dominant religion in Estonia is Evangelical Lutheranism. Estonians were Christianized by the Teutonic Knights in the 13th century. During the Reformation, Lutheranism spread, and the church was officially established in Estonia in 1686.”
„Discrimination in the EU in 2012”(PDF), Special Eurobarometer, 383, European Union: European Commission, стр. 233, 2012, Приступљено 14. 08. 2013 The question asked was "Do you consider yourself to be...?" With a card showing: Catholic, Orthodox, Protestant, Other Christian, Jewish, Muslim, Sikh, Buddhist, Hindu, Atheist, and Non-believer/Agnostic. Space was given for Other (SPONTANEOUS) and DK. Jewish, Sikh, Buddhist, Hindu did not reach the 1% threshold.
