82.
JOHN HERSCHEL TO HUMBOLDT.
COLLINGWOOD, _21st Dec. 1843_.
HAWKHURST, KENT.
Letters of Alexander von Humboldt to Varnhagen von Ense. From 1827 to 1858. With extracts from Varnhagen's diaries, and letters of Varnhagen and others to Humboldt · 第 86 / 252 题