![Letters of Alexander von Humboldt to Varnhagen von Ense Portada de libro para Letters of Alexander von Humboldt to Varnhagen von Ense](https://prod-bb-images.akamaized.net/book-covers/coverimage-4064066420819-bookwire-2022-08-23t17-20.jpg?w=640)
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
From 1827 to 1858. With extracts from Varnhagen's diaries, and letters of Varnhagen and others to Humboldt