For books in classification 200 of the Dewey Decimal System is a group of knowledge on religion, theology, rituals and religious structures, history of various religions and comparative religion. The classification is divided into 10 sub-categories to identify more specific places to store books, including:

            • 200 beliefs, fairy tales, religious leaders

            • 210 Philosophy and Religious Theory God (God)

            • 220 Bibles

            • 230 Christian theology

            • 240 The morals of the Christians

            • 250 Christians in each locality and rituals

            • 260 Christian organizations. Christianity and its disciplines

            • 270 History of Christianity

            • 280 Christian sects

            • 290 Comparative and other religions besides Christianity

Written, translated, and illustrated by: Ratchanok T.