Lawrence Harvey Walkinshaw (1904–1993) was an American ornithologist and an expert on cranes, about which he published at least three books: Kirtland's Warbler (1983), The Sandhill Cranes (1949) and Cranes of the World (1973).SIA RU007410, Walkinshaw, Lawrence H, Lawrence H. Walkinshaw Papers, 1960-1983, Smithsonian ArchivesSIA Acc. 93-079, Walkinshaw, Lawrence H, Lawrence H. Walkinshaw Papers, c. 1916-1991, Smithsonian ArchivesSIA Acc. 93-091, Walkinshaw, Lawrence H, Lawrence H. Walkinshaw Papers, c. 1960-1992, Smithsonian ArchivesSIA Acc. 84-105, Walkinshaw, Lawrence H, Lawrence H. Walkinshaw Papers, 1961-1969, 1984, Smithsonian Archives He was the president of the Wilson Ornithological Society from 1958 to 1960. He was also an avid genealogist and published two family histories: Genealogy of the Ezra Grinnell Family (1978) and The Walkinshaws (1986).

Walkinshaw was by profession a dentist, having graduated from the University of Michigan School of Dentistry in 1929.

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