subdivision [Doctrines--History] under individual religions and Christian denominations, e.g. [Buddhism--Doctrines--History; Catholic Church--Doctrines--History;] and subdivisions [History of doctrines, History of doctrines--Early church, ca. 30-600, History of doctrines--Middle Ages, 600-1500, History of doctrines--16th century, History of doctrines--17th century, History of doctrines--18th century, History of doctrines--19th century, History of doctrines--20th century,] and [History of doctrines--21st century] under religious topics