On the Structural Variety of Human Language - Excerpt with introduction from Wilhelm von Humboldt's monograph, appearing as chapter six of Lehmann's `A Reader in Nineteenth Century Historical Indo-European Linguistics'. www.utexas.edu/cola/depts/lrc/iedocctr/ie-docs/lehmann/reader/chaptersix.html
Quotations by Karl Wilhelm Von Humboldt - Short list of quotations at cyber-nation.com. www.cyber-nation.com/victory/quotations/authors/quotes_humboldt_karlwilhelmvon.html
Wilhelm von Humboldt - Brief eulogy with picture at Humboldt University's website. www.hu-berlin.de/hub/geschichte/wilh_e.html
