Correspondence between Pontecorvo and Professor John Burdon Sanderson ("Jack") Haldane concerning the work Haldane had been doing at the Indian Statistical Institute and a detailed overview of research work currently undertaken by Pontecorvo and his team at the University of Glasgow

Copy of a poem titled Cancer's a Funny Thing by John Burdon Sanderson Haldane, reprinted from the New Statesman

Letter to Pontecorvo from Professor John Burdon Sanderson ("Jack") Haldane thanking him for sending him a copy of his book Trends in Genetic Analysis, and commenting on its discussion of "negative interference"

Letter to Pontecorvo from Professor John Burdon Sanderson ("Jack") Haldane concerning his current research into biometry and experiments on mixed crops on South Bihar

Copy of a letter from Pontecorvo to Professor John Burdon Sanderson ("Jack") Haldane commenting on Haldane's draft paper

Letter to Pontecorvo from Professor John Burdon Sanderson ("Jack") Haldane concerning cases of multiple allelomorphism (or complete coupling) described in Mendel's Principal of Heredity

Correspondence between Pontecorvo and Professor John Burdon Sanderson ("Jack") Haldane concerning Haldane's response to Pontecorvo's request from him to write something about sexual reproduction

Notes from various genetics articles

Photographs of Pontecorvo giving lectures and receiving honorary degrees as well as others of his friends and colleagues

Material regarding the Lutheran : secretor recombination fraction

Photographs of Pontecorvo with friends and colleagues in 1961, in Edinburgh in 1962, in Purdue, Indiana in 1962, and receiving the Emil Christian Hansen prize in 1961

Selection of slides for a talk on the history of genetics

Obituaries of various eminent scientists

Pontecorvo guestbook