Title: A great sign of land : Columbus and the sea-birds : ornithology and navigation in 1492 /
Authors: Columbus, Christopher; Parker, John, 1923-2006; Ketchum, Rachel.
Publisher: Cleora Press,
Year: 1992
Subjects: Columbus, Christopher Diaries.; Sea birds; Explorers America Diaries; Explorers Spain Diaries; America Discovery and exploration Spanish.