89.
LEOPOLD, GRAND DUKE OF TUSCANY, TO HUMBOLDT.
FLORENCE, _July 20th, 1844_.
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 93 / 252 题