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- Arc measures -- Early works to 1800.1
- Astronomy -- Observations -- Early works to 1800.1
- Astronomy -- Observations -- Illustrations.1
- Berndson, Bernard -- Autograph.1
- Chile -- Description and travel -- Early works to 1800.1
- Colombia -- Description and travel -- Early works to 1800.1
- Earth -- Figure.1
- Gustav, Carl -- Stamp.1
- Incas -- History -- 18th century -- Sources.1
- Indians of South America -- Andes Region -- Early works to 1800.1
- Karpinski, Louis Charles, 1878–1956 -- Stamp.1
- Nautical astronomy -- Early works to 1800.1
- Peru -- Description and travel -- Sources -- Early works to 1800.1
- Peru -- History -- 18th century -- Sources.1
- Scientific expeditions -- South America -- 18th century -- Sources.1
- South America -- Description and travel -- Early works to 1800.1
- South America -- Discovery and exploration -- 18th century -- Sources.1
- South America -- Social life and customs.1
- Spain -- Colonies -- South America -- Early works to 1800.1
- Spain -- Discovery and exploration -- 18th century -- Sources.1