BEIN Za Zsh6 Copy 1: From the Barbara Guest Papers: 11.
BEIN Za Zsh6 Copy 2: From the Paul Violi Papers: 5.
BEIN Za Zsh6 Copy 2: Autograph of Ron Padgett. From the library of Ron Padgett: 6, 9/10-11.
BEIN Za Zsh6 Copy 2: From the library of Ray DiPalma: 7/8.