In chronological order.

'An Ideal for Living: An History of Joy Division'
by Mark Johnson
Proteus
1984

'Unknown Pleasures and Wayward Distractions'
by Brian Edge
Omnibus Press
1989

'Shots from the Hip'
by Charles Shaar Murray
Penguin
1991

'Vagabond'
Edited by Jon Savage and Jon Wozencroft
Touch
1992

'Touching from a Distance: Ian Curtis and Joy Division'
by Deborah Curtis
Faber and Faber
1995

'From Joy Division to New Order: The Factory Story'
by Mick Middles
Virgin
1996

'Time Travel'
by Jon Savage
Vintage
1997

'Gothic: Transmutations of Horror in Late Twentieth Century Art'
by Christoph Grunenberg
Institute of Contemporary Art
Boston/The MIT Press
1997


Also, contamporary articles about the group appeared in all the british music papers:
'Melody Maker', 'New Musical Express', 'Record Mirror' and 'Sounds' - and Mancunian media like: 'City Fun', 'New Manchester Review'.