Ole Bull
- Life history and relationship with Edvard Grieg are outlined at the Classical Composers Database.
- http://www.classical-composers.org/comp/bullole

Ole Bull (1810-1880)
- Art song listing at recmusic.org includes the Norwegian text to Sæterjentens Søndag.
- http://www.recmusic.org/lieder/b/bull.html

Bull, Ole Bornemann
- Biography noting his place in Norwegian music and his violin virtuosity, his encouragement of Ibsen, Bjørnson, and Grieg, and listing important compositions. From the Grove Concise Dictionary of Music entry at WQXR radio.
- http://www.wqxr.com/cgi-bin/iowa/cla/learning/grove.html?record=1392