• 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
• 2 · Nature
• 25 · earth, world as celestial body
• 25F · animals
• 25F2 · mammals
• 25F22 · monkeys, apes
• 25F22(+4) · monkeys, apes (+ animal behaviour)

25F22(+42) · monkeys, apes (+ feeding and care of young)

• 25F22(+422) · monkeys, apes (+ animal 'educating the young', playing with young)
• 25F22(+429) · monkeys, apes (+ animal killing its own breed)