Modest Mussorgsky: Voicing the Spirit of Russia - Timeline, key works, recommended recordings, and composer quote, from Humanities Web. - http://www.humanitiesweb.org/human.php?s=c&p=c&a=i&ID=93
Modest Moussorgsky - Karadar Dictionary entry with life, related composers, MIDI audio samples, catalogue of works, list of operas with phonetically spelled libretto of Boris Godunov, and portraits and other illustrations. - http://www.karadar.it/Dictionary/moussorgsky.html
Modest Mussorgsky - Wikipedia article with summary of life and works and links to related subjects and people plus portrait. - http://en.wikipedia.org/wiki/Modest_Mussorgsky
Kunst der Fuge | Modest Mussorgsky - MIDI files (freely downloadable) of "Pictures at an Exhibition" and "Night on the Bare Mountain"; also WMA / MP3 files. - http://www.kunstderfuge.com/midi-m.htm#Mussorgsky
Classic Cat - Directory of mp3s on the internet that have been made available by the performing artists. - http://www.classiccat.net/mussorgsky_m/index.htm
Classical Music Archives: Mussorgsky - Biography from the Concise Oxford Dictionary of Music. Over 60 complete files offered in MIDI, MP3, and Windows Media audio formats, including live recordings of featured artists. - http://www.classicalarchives.com/bios/codm/mussorgsky.html
Grave of Modest Mussorgsky - Portrait and photograph of tomb from Find a Grave. - http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GSmpid=360&GRid=1513&
Modest Mussorgsky (1839-1881) - Message board and live chat about the life and works. - http://carolinanavy.com/fleet2/f2/zclassicalmusic/ModestMussorgsky(1839-1881)hall/shakespeare1.html