Carbon copy with Elof Carlson's handwritten notes. Midterm Exam for Zoology Z575, a course taught by Hermann J. Muller at Indiana University. Exam dated March 20, 1957.
Draft of "On the calculation of number of loci separately producing a given recessive phenotype" with handwritten corrections by Hermann J. Muller, c.1940
"The Effect of a Long Established Duplication on the Frequency of Detectable Mutation" typed original drafts, and copies of article written in the USSR with handwritten corrections and chromosome maps by Hermann J. Muller
Original drawings of chromosomes labeled "fig. 8 sc 9" and handwritten notes on the "Arrangement of loci in normal X-chromosome and in that containg scute-8 inversion" by Herman J. Muller