Carl Zigrosser Papers, ca. 1891-1971. Folder 1397.
Finding aid http://hdl.library.upenn.edu/1017/d/pacscl/UPENN_RBML_MsColl6
This folder contains no correspondence from Gordon Norton Ray. It contains an 8 page typescript for a catalogue of French lithographs from the collcetion of Gordon Norton Ray, exhibited at the Grolier Club in January, 1965.