This is an interesting and useful website:
November 8, 2014
Interesting article from 2008:
November 3, 2014
CAMERA WORK (1903-1917), a quarterly edited by Alfred Stieglitz, issues Number 2 - 6 are online here with more to come by the Modernist Journals Project as funding becomes available. The early volumes reflect Pictorialism then there was a shift to Modernism.