Large bundle of correspondence between Walter Bodmer and Luca Cavelli-Sforza, co-author with Bodmer on The Genetics of Populations (1971). In addition to work leading up to the book's publication other subjects include: Joshua Lederberg; progression of Walter and Julia Bodmer's research; genetics of schizophrenia and television interview between David Frost and William Shockley in which Bodmer took part (re Jensen and Shockley race argument and Shockley's honorary degree offer from Leeds University).