The following publication is available;

All The Mighty World: The Photographs of Roger Fenton, 1852-1860 by Gordon Baldwin and Sarah Greenough
Published by Yale University Press, 2004

The following publication is out of print, but high quality used copies are available;

Roger Fenton: Photographer of the Crimean War, With an essay on his life by Helmut & Alison Gernsheim
Published by Secker & Warburg London, 1954


Online Resources

All the Mighty World: The Photographs of Roger Fenton, 1852–1860
organized by The Metropolitan Museum of Art, New York; the National Gallery of Art,
Washington; and The J. Paul Getty Museum, Los Angeles, 2005

Roger Fenton Crimean War Photographs:
Prints and Photographs Division , Library of Congress, Washington, D.C