• 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
• 25H · landscapes
• 25H1 · landscapes in the temperate zone

25H19 · swamps and polders

• 25H191 · swamp, inland marsh, fens
• 25H192 · polder, reclaimed land
• 25H193 · draining for land reclamation
• 25H199 · flood
• 25H19(+1) · swamps and polders (+ landscape with figures, staffage)