Activity Listings
- Letter from Sidney Katz, Associate Editor, Maclean's, to LP RE: Requests information for an article he is writing on air pollution and its correlation to lung cancer. Outlines the specific information he is looking for to put in his article. [Letter from LP to Katz January 21, 1957] [Filed under LP Correspondence: (K: Correspondence, 1957), #201.1]
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