In copyright
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Credit
Bundle of correspondence between Pontecorvo and A P Hamilton in which Mr Hamilton asks Pontecorvo some questions on his use of Aspergillus nidulans and his knowledge of literature on para-fluoro-phenyl alanine. In copyright. Source: Wellcome Collection.
Provider
The original material is held at <a href="http://www.gla.ac.uk/services/archives/" rel="nofollow">Glasgow University Archive Services.</a> This catalogue is held by the Wellcome Library as part of Codebreakers: Makers of Modern Genetics.