Joseph Butler, Stephen L. Darwall (1983). “Five Sermons, Preached at the Rolls Chapel and A Dissertation Upon the Nature of Virtue”, p.25, Hackett Publishing
"Dave Grohl And Krist Novoselic Share Memories, Unreleased Tracks From 'In Utero'". "All Songs Considered" with Bob Boilen, Robin Hilton, www.npr.org. September 10, 2013.