found: Donaghy, M. Machines, 1986, c1985:t.p. (Barbara Tetenbaum) colophon (artist and printer at Circle Press, Guildford, Surrey)
found: Hamady, W. Eyes touch & change, 1986:colophon (Barbara Tetenbaum assisted throughout the production of this book)
found: Glimpse, 2011:t.p. (Barbara Tetenbaum) colophon (Barb Tetenbaum)
found: Lavelle, N. Article on Bangback.com Web site, Dec. 17, 2010, viewed July 30, 2012:("Barbara Tetenbaum has been making and releasing artist books under the Triangular Press imprint since 1979. She is professor and department head of Book Arts at the Oregon College of Art and Craft in Portland") - http://www.bangback.com/print-crush/triangular-press-established-1979/
found: The pink book, 2019:page 4 of cover (bt)