"Umbrella is an art journal that was first published by Judith Hoffberg in 1978. The journal covers news and reviews of artist books, mail art and contemporary art and photography tradebooks. It includes interviews with leading book artists, alternative spaces as well as Fluxus artists. The journal ended print-copy publication in 2005 and moved to an online edition, 2006-2008." -journals.iupui.edu
All issues of Umbrella are available to view online through the Indiana University Purdue University Indianapolis digital archive:
http://www.ulib.iupui.edu/digitalscholarship/collections/Umbrella
CBA holdings include:
vol. 1 no. 1-6, 1978
vol. 2 no. 1-6, 1979
vol. 3 no. 1-6, 1980
vol. 4 no. 1-3, 1981
vol. 5 no. 1, 1982
vol. 6 no. 2 and 4, 1983
vol. 7 no. 1, 1984
vol. 9 no. 1, 1986
vol. 10 no. 1-2, 1987
vol. 12 no. 1-2, 1989
vol. 13 no. 1, 1990
vol. 14 no. 3, 1991
vol. 15 no. 1 and 2/3, 1992
vol. 16 no. 2/3, 1993
vol. 17 no. 1 and 3/4, 1994
vol. 18 no. 1 and 2/4, 1995
vol. 20 no. 2, 1997
vol. 21 no. 1-2 and 3/4, 1998
vol. 22 no. 2/3 and 4, 1999
vol. 23 no. 1-2, 2000
vol. 24 no. 1-2 and 3/4, 2001
vol. 25 no. 1-2, 2002