• 1 · Religion and Magic
• 2 · Nature
• 3 · Human Being, Man in General
• 4 · Society, Civilization, Culture
• 5 · Abstract Ideas and Concepts
• 6 · History
• 7 · Bible
• 8 · Literature
• 9 · Classical Mythology and Ancient History

• Top
• 4 · Society, Civilization, Culture
• 48 · art
• 48C · the arts; artists
• 48C1 · architecture
• 48C16 · architectural detail
• 48C162 · arch, archivolt ~ architecture
• 48C1622 · vault ~ architecture

48C16221 · keystone ~ architecture