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2. (1980a): Deposition, Johnston and Johnston vs. Johns-Manville and Dravo. U.S. District Court for the Western District of Pennsylvania. Civil Division No. 79-417D.
3. (1980b): Asbestos and cancer: The first thirty years. University of Pittsburgh (privately published).
4. (1991): March 7, 1991 affidavit. State of Florida.