• 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
• 49 · education, science and learning
• 49B · scholastic education, tuition
• 49B4 · university
• 49B42 · university education

49B423 · receiving doctor's degree

• 49B4231 · doctoral thesis
• 49B4233 · honorary degree