/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Humboldt%2C%20Alexander%20von%2C%22&sort_by=relevance&format=rss 2 0 50 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=7251 By Schomburgk, Robert H..
Leipzig, G. Wigand, 1841 .
xxiv, 510 p., 1 l. 27 cm..

]]> Place hold on Robert Hermann Schomburgk's Reisen in Guiana und am Orinoko während der Jahre 1835-1839.

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=7251 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=24330 By Humboldt, Alexander von,.
London, Longman, Hurst, Rees, Orme, Brown, and Green, 1823 .
[v]-viii, 482 p. 22 cm..

]]> Place hold on A geognostical essay on the superposition of rocks in both hemispheres.

]]> /cgi-bin/koha/opac-detail.pl?biblionumber=24330