Will choose from among these:

Wells, L. (Ed.). (2009). Photography: a critical introduction, 4th ed. (4th ed.). London: Routledge.  Chapter 1: Derrick Price and Liz Wells, Thinking about Photography.

Burgin, V. (1999). Art, common sense and photography. Visual Culture: The Reader, 41–50. London: Sage.

Sontag, S. (1999). The image-world. In J. Evans & S. Hall (Eds.), Visual cutlture: the reader (pp. 80-94). London: Sage Publications.  Excerpted from her book On Photography.

Bourdieu, P. (1999). The social definition of photography. Visual culture: the reader (pp. 162-180). London: Sage.