This site offers speeches by Nkrumah as audio files including transcripts. Maybe the most interesting audio file is Nkrumah's speech delivered at the United Nations on 23rd Sept 1960. Many other resources are onyl accessible after registration (free of charge). The site obviously was last updated around 2001, but since the author of the site is a lecturer at Lincoln University, you can contact him there too. ... [editors ilissAfrica]