Photograph of a young boy (David Muller?) feeding goats with a young girl feeding goats in the background at a zoo or park. Part of a series of photographs in the same folder.
Typed letter with handwritten additions and postscript from H.J. Muller to Elof Carlson regarding Joravsky's writing on Serebrovsky, Lysenkoism, Isreal Agol, and Soloman Levit, 1962.