If Bird Library does not have what you need you can order books and journal articles from Interlibrary Loan free of charge.
Oxford Companion to Photography TR9.094 2005 Ref
Contemporary Photographers TR139.C66 1988 Ref
Sontag, Susan- On Photography TR183 .S65 1977
Sontag, Susan. Against Interpretation PN771 .S62 1990
Nachtway, James. Inferno TR820.6.N34 1999
Stieglitz. Alfred- TR663.N38 2002 Vol. 1-2
Liebovitz, Annie. Annie Liebovitz at Work TR680.L376 2008
Iranian Photography TR655.I37 2008
Dinius, Marcy J. The camera and the press : American visual and print culture in the age of the daguerreotype PS374.P43 D56 2012
Olin, Margaret. Touching Photographs TR183.O45 2012
Emerling, Jae. Photography:history and theory TR187.E44 2012
Newhall, Beaumont. The history of photography: from 1839 to the present TR15.N47 1982
Batchen,Geoffrey (ed). Photography degree zero:reflections on Roland Barthes's Camera lucida TR642.P46 2009
Photography books are located at Carnegie Library.
Special Collections Research Center has many primary sources.