About SLATE
There are a number of editions of the introductory pamphlet, both dated and undated. The SLATE archives includes:

About SLATE: The Campus Political party at the University of California, Berkeley (Berkeley, CA: SLATE, 1959)
Those responsible for this edition are listed as Rich White, editor, Dick Bowen, assistant editor, Larry Steinhart, production manager, Irene Theodore and Kay White, production assistants and Aryay Lenske, Business Manager. Authors include, SLATE president, Rog Moss, Kay White, Phil Roos, Jim Gallagher, Marv Sternberg, Rick White.
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SLATE informational pamphlet
About SLATE (Berkeley: SLATE, 196[1])
Those responsible for this edition include Carl Blumstein, technical editor, Jerry Greenberg, member of the SLATE Summer Coordinating Committee, Mike Miller, editor, Robin Room, member of SLATE Summer Coordinating Committee, Mike Tiger, and Sue Witkovsky, member of the SLATE Coordinating Committee.
SLATE informational pamphlet