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Kaesberg was one of many researchers that Franklin met during her 1954 visit to the United States. In this letter, she asked him if she might have a sample of pea streak virus, to compare with TMV, specifying the amount needed.
Original Repository:
Churchill Archives Centre. The Papers of Rosalind Franklin
Location:
Folder: 2/33
Rights:
Reproduced from the Franklin Collection at the Churchill Archives Centre with the permission of the copyright holder.