Sister was in part inspired by the life and works of science fiction writer Philip K. Dick. (The "sister" of the title was Dick's fraternal twin, who died shortly after her birth, and whose memory haunted Dick his entire life.)
http://sonicyouth.com/gossip/showthread.php?t=17257
this is one is cool read as well (K Dick connection)
https://www.spin.com/featured/sonic-...ion-interview/