Articles, correspondence, notes, and manuscripts relating to Dr. Albert Plesman (1889-1953), Dutch pioneer in aviation and founder of KLM, the oldest airline in the world still operating under its original name. Includes a carbon copy of typed manuscript of Plesman's autobiography; "Wither Civilization," a typed manuscript by Plesman; a photograph of a bust of Plesman; and a group photograph of Plesman with Mayor of Sydney, Australia, Ernest C. O'Dea (b. 1889-1976).