Humboldt, Alexander von - Autograph Letter Signed 1812 CDVs Opera Sizes are 4

Sizes are 4

signed in Amsterdam

shown in roles in Richard Strauss's Der Rosenkavalier

dated in 1933 in London

June Anderson

Humboldt, Alexander von - Autograph Letter Signed 1812 CDVs Opera Sizes are 4German geographer, naturalist and explorer (1769 1859), who made very significant contributions to several fields of science including botany, zoology and geophysics. After 5 years (from 1799 through 1804) of travelling through Latin America, Humboldt published a series of large volumes with valuable information, later was the first to propose that humans were changing the world climate. Autograph letter signed, to British writer Helen Maria Williams