Handwritten letter from Jessie Jacobs Muller Offermann to H.J. Muller with typed letter from Carlos Offermann to H.J. Muller on back with cactus needle taped to the letter.
Handwritten note from H.J. Muller to Elof Carlson regarding a National Science Foundation research assistantship with an attached copy of a letter to Bowen D. Dees, Program Director for Fellowships at the National Science Foundation in Washington…