seconds ^ "The Overdose Death of Janis Joplin" . Findadeath.com . http://www.findadeath.com/Deceased/j/Janis%20%20Joplin/janis_joplin.htm . Retrieved 2011-12-30 .   ^ Richardson, Derk (April/May 1986). "Books in Brief". Mother Jones .   ^ Cooke, John Byrne. Janis Joplin; A Performance Diary 1966–1970 . Acid Test. p. 126. ISBN   1-888358-11-4 .   ^ a b c