History

Protestant

Catholic

Orthodox (Byzantine)

• The Holy Catechism of Nicolas Bulgaris | Nicolas Bulgaris
• The Longer Catechism of The Orthodox, Catholic, Eastern Church | Catechism of St. Philaret (Drozdov) of Moscow
• [The Orthodox Confession of the Catholic and Apostolic Eastern Church >> logosres:rthdxcnfssncthl;art=title]] | Peter Mogila
• The Orthodox Catechism | Metropolitan Archbishop Sotirios

Orthodox (Oriental)