2025

Helen Ennis, Artists of the National Library of Australia: Wolfgang Sievers. Canberra: National Library of Australia, 2025

Helen Ennis, Artists of the National Library of Australia: Olive Cotton. Canberra: National Library of Australia, 2025

2024

Helen Ennis, Max Dupain: A Portrait. Sydney: Fourth Estate, an imprint of Harper Collins, 2024

2019

Helen Ennis, Olive Cotton: A life in photography. Sydney: Fourth Estate, an imprint of Harper Collins, 2019

2011

Helen Ennis, Wolfgang Sievers. Canberra: National Library of Australia, 2011

2010

Helen Ennis, Frank Hurley’s Antarctica. Canberra: National Library of Australia, 2010

2008

Helen Ennis, A Modern Vision: Charles Bayliss, Photographer, 1850-1897. Canberra: National Library of Australia, 2008

2007

Helen Ennis, Photography and Australia. London: Reaktion Books, 2007

Helen Ennis, Reveries: Photography & mortality. Canberra: National Portrait Gallery, 2007

2005

Helen Ennis, Margaret Michaelis: love, loss and photography. Canberra: National Gallery of Australia, 2005

2004

Helen Ennis, Intersections: Photography, history and the National Library of Australia’s Collection. Canberra: National Library of Australia, 2004

2003

Helen Ennis, In a new light: Australian Photography 1850s-1930s. Canberra: National Library of Australia, 2003

2002

Helen Ennis, Man with a camera: Frank Hurley overseas. Canberra: National Library of Australia, 2002

2000

Helen Ennis, Olive Cotton. Sydney: Art Gallery of New South Wales, 2000 [curator and author of exhibition catalogue]

Helen Ennis, Mirror with a memory: Photographic portraiture in Australia. Canberra: National Portrait Gallery, 2000 [curator and author of exhibition catalogue; also with essay by Geoffrey Batchen]

1996

Helen Ennis, The reflecting eye: Portraits of Australian Visual Artists. Canberra: National Portrait Gallery, 1996 [curator and author of exhibition catalogue]

1995

Helen Ennis, Olive Cotton. Photographer. Canberra: National Library of Australia, 1995 [reprinted 2004]

Helen Ennis, ‘Past/Present’, Sue Ford. A Survey. 1960-1995. Melbourne: Monash University Gallery, 1995 [curator of exhibition and coordinator of catalogue]

1994

Introduction, Harold Cazneaux. The Quiet Observer. Canberra: National Library of Australia, 1994 [reprinted 1997, 2004]

1991

Helen Ennis and Bob Jenyns, Living in the 70s: Photographs by Carol Jerrems. Hobart: University of Tasmania, 1991   [exhibition catalogue]

Max Dupain Photographs. Canberra: Australian National Gallery, 1991 [exhibition catalogue]

1989

Helen Ennis with assistance from Kate Davidson and Kylie Scroope, Photography : 150 Years. Canberra: Australian National Gallery and ASM Group, 1989 [catalogue]

1988

Helen Ennis and Isobel Crombie, Australian Photographs in the Australian National Gallery Collection. Canberra: Australian National Gallery, 1988 [booklet]

Helen Ennis with assistance from Kate Davidson, Australian Photography : The 1980s. Canberra: Australian National Gallery, 1988   [catalogue]