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Emil H. White (1926-1999) was a professor of Chemistry at Johns Hopkins University. This collection consists of Emil White's correspondence, spectragraphs, notebooks, infrared tests, and research and class materials from the 1950s and 1960s. This collection has not been processed.
Francis John Pettijohn (1904-1999) was an American geologist.This collection consists of research materials and notes from 1929 through 1951. This collection is unprocessed.