In 1972 Howe became one of the first employees of the Photographers' Gallery, London, a research assistant at The Royal Photographic Society, London, and, in 1973, the founding Director of The Australian Centre for Photography, Sydney. In 1976 he became curator for Graham Nash and in 1984-85 he was a visiting curator at the Museum of Contemporary Art, Los Angeles. In 1988 he incorporated Curatorial Assistance, Inc., a company specializing in art and museum services, and in 2000 he founded Curatorial Assistance Traveling Exhibitions, a 501(c)3 nonprofit organization that originates and travels exhibitions of art to museums worldwide. His photographic work is collected in museums and galleries including Harvard University, the Metropolitan Museum of Art, New York, the Los Angeles County Museum of Art, the San Francisco Museum of Modern Art, the Victoria & Albert Museum, London, and he is an advisor for the Lucie Awards and a recipient of a National Endowment for the Arts Photography Fellowship and a Ford Foundation grant.
Exhibitions and catalogues
- The Photograph as Artifice, a traveling exhibition organized by The Art Galleries, California State University, 1978
- Attitudes: Photography in the 1970s, The Santa Barbara Museum of Art, 1979
- The Photographers’ Gallery, Melbourne, Australia, 1980
- Invented Images, a traveling exhibition organized by the University Art Museum, Santa Barbara, 1980
- BC Space, Laguna Beach, 1981
- Gallery Min, Tokyo, Japan, 1984. With an essay by Colin Westerbeck.
- Arranged Image Photography, a traveling exhibition organized by the Boise Gallery of Art, 1983–1984
- And Howe! Photographs By Graham Howe, 1968–2008, California Museum of Photography, Riverside. Curated by Colin Westerbeck, 2009.
- Street Sight, Armory Center for the Arts, Pasadena. Curated by Tim Wride, 2011.
- Time Signatures, Grunwald Study Center for the Graphic Arts, Hammer Museum, 2011
- Graham Howe: Color Theory, Sol Mednick Gallery, University of the Arts, Philadelphia, 2012
- Graham Howe: Colour Theory, Rooftop Gallery, Bangkok, 2013
- Howe, G. (1974). New Photography Australia: A Selective Survey. Sydney: The Australian Centre for Photography. p. 103. ISBN 978-0-909339-00-5.
- Howe, G. (1974). Aspects of Australian Photography. Sydney: The Australian Centre for Photography. p. 71. ISBN 978-0-909339-02-9.
- Howe, G. (essay) (1976). Paul Outerbridge Jr.,. Los Angeles: Center for Photographic Studies.
- Howe, G.; Nagatani, P.; Rankin, S. (1978). Two Views of Manzanar: Ansel Adams and Toyo Miyatake. Los Angeles: Wight Gallery, UCLA. ASIN B001BST592.
- Howe, G.; Nash, G.; Nash, S. (1978). The Graham Nash Collection. Los Angeles: Nash Press. ASIN B0012SCE6M.
- Hawkins, G.; Howe, G.; Markham, J. (1980). Paul Outerbridge Jr. Photographs. New York: Rizzoli. p. 159. ISBN 978-0-8478-0281-4.
- Dines, E.; Howe, G. (1981). Paul Outerbridge Jr.: A Singular Aesthetic. Los Angeles: Arabesque Books. ISBN 0-940872-02-1.
- Howe, G. (1984). 10 Photographers: Olympic Images. Los Angeles: Center for Photographic Studies. p. 144. ISBN 978-0-914357-06-3.
- Howe, G.; Schaaf, L. (1990). Tracings of Light: Sir John Herschel and the Camera Lucida. San Francisco: The Friends of Photography. ISBN 978-0-933286-55-9.
- Howe, G. (1991). Eikoh Hosoe: META. Pasadena: Curatorial Assistance. pp. 123 pages. ASIN B0006F1LRU.
- Howe, G. (1996). Nudes: Paul Outerbridge. Milan: Federico Motta Editore. pp. 60 pages. ISBN 978-88-7179-108-1.
- Howe, G. (1999). Camera Over Hollywood—Photographs by John Swope. New York: Distributed Art Publishers. pp. 144 pages. ISBN 978-1-891024-08-5.
- Howe, G. (2008). E.O. Hoppe's Australia. New York: W.W. Norton. pp. 208 pages. ISBN 978-0-393-06611-1.
- Howe, G., with co-curators Ewing, W. and Prodger, P. (2009). Paul Outerbridge: New Color Photographs from Mexico and California, 1948–1955. Portland: Nazraeli Press. ISBN 978-1-59005-261-7.
- Article, Double Exposure. December 1, 2007. Accessed August 23, 2009.
- Interview, Imaging Insider. December 25, 2008. Accessed August 23, 2009.
- Review, Iphoto Central October 24, 2009. Accessed December 5, 2009.
- Lucie Awards. 2008. Accessed August 23, 2009.
- Festival of Photography | Bio,  November 6, 2009. Accessed December 5, 2009.