Actually, Edwards favorite paper was Haloid. He used Agfa just somewhat, as well as Ansco papers, and Azo. but he did switch from period to period. In those days there were many choices of contact printing papers. Those were the days . . .
Last year we saw an Azo print of his from 1937 that looked exactly like Paula's and my prints in print tone and color.
My favorite prints of his are those that have a yellow base of some sort and impart a golden glow. They are not "warm" prints particularly--not toward the reddish side f the spectrum--they are neutral with a yellow cast to them. Adams made prints with the paper, too. It seems to have been available in the late 1930s and early 1940s--maybe especially in the early 1940s. I do not know which paper this is. It is not Azo.
Just yesterday at AIPAD in New York, there were quite a few Weston prints on the walls--only one with that particular golden glow. Interesting to see the differences due to the papers he used. AIPAD ends today for anyone near NY and interested. We'll be going back.
All of the photographs in the traveling exhibition are vintage prints, printed by Edward himself. there are no prints printed by Cole and no "project prints" that were printed by Brett. According to Dody, Edward thought those he initialed were his best prints. An explanation of why is in our forthcoming book.