Technical:
'Silver Gelatin'
'Spirits of Salt' A working guide to old photographic processes by Randall Webb and Martin Reed.
The processes include: paper making, salt printing, kallitype, cyanotype, platinum and palladium printing, bromoil, carbon printing, gum printing, photo etching, photo silkscreen and many more.

Theoretical:
Benjamin, Walter Illuminations
Barthes, Roland La Chambre Claire (eng. Camera Lucida)
Barthes, Roland Image, Music, Text (London, Fontana 1977)
Foucalt, Michel 'What is an Author' Language, counter Memory, Practise (Oxford, Basil Blackwell, 1997)
Lacan, Jaques Four Fundamental Concepts of Psychoanalysis, trans. Alan Sheridan (New York, W. W. Norton, 1997)
Sontag, Susan On Photography
Squiers, Carol (ed.) Essays on Contemporary Photography-The Critical Image, (London, Lawrence & Wishart, 1990)
Wells, Liz (ed.) Photography: a Critical Inroduction (London, Routledge, 2000)