“Semiotics.” Encyclopedia of Twentieth-Century Photography, edited by Lynne Warren, Routledge, 2006. pp. 1403-1405.

“Susan Sontag.” Encyclopedia of Twentieth-Century Photography, edited by Lynne Warren, Routledge, 2006, pp. 1466-1467. 

“Minor White.” Encyclopedia of Twentieth-Century Photography, edited by Lynne Warren, Routledge, 2006, pp. 1682-1685. 

“The Portrait, a Struggle to See.” Co-author: Richard-Max Tremblay. Circa, vol. 116, Summer 2006, pp. 125-126.

“Failing the Feminine: Photographed Words in Lincoln Clarkes’ Heroines.” Debating the Difference:Gender, Representation and Self Representation, edited by Rachel Jones, Hamid van Koten,Chris Murray, and Keith Williams, University of Dundee Press, 2010. ISBN 1899837 60 4. 11 pages (PDF file)