- Zetteler, Mike (August 28, 1971). "Street
Sheet Spreads Yippie Message".
Zonyx Report.
Milwaukee Sentinel.
Archived from the
original on
October 7, 2017...
- Milwaukee,
Commencement Program, June 7, 1964. See also
Michael Zetteler, the
Zonyx Report, www.reocities.com/enchantedforest/field/8106/TEXTS/BugHist.html...
- 11-33. Mike Zetteler, "Zetteler's
History of Milwaukee's Kaleidoscope",
Zonyx Report.
Retrieved October 7, 2010.
Milwaukee Sentinel,
March 16, 1981 "It's...
