Title: La geografía de los tiempos difíciles
Subjects: 19th century, Attitudes, Description and travel, Diaries, Foreign Visitors, History, History and criticism, Social life and customs, Travelers' writings, European, Authors, biography
Places: Andes Region, Latin America
People: Alexander von Humboldt (1769-1859), Flora Tristan (1803-1844), José Celestino Mutis (1732-1808), Maria Callcott Lady (1785-1842)
Time periods: 18th century