For a project I'm researching Salk's polio vaccine and I've been searching everywhere for primary documents but only found material from the Eisenhower Presidential Library but I still need more primary resources because it's only reports that comes from the government. I prefer to obtain documents from Salk himself.
Dogs love their friends and bite their enemies, quite unlike people, who are incapable of pure love and always have to mix love and hate. — Sigmund Freud
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