Sir William Foster (1863–1951) Knight (1925), CIE (1913), was Registrar and Superintendent of Records in the India Office. He was a historiographer and member of the Hakluyt Society.
Letters Received By The East India Company (1897)
The English factories in India, 1618-1669 : a calendar of documents in the India Office, British Museum and Public Record Office (1911) first of thirteen volumes, eleven of which are available at: 
A guide to the India Office records, 1600-1858 (1919)
Early travels in India, 1583-1619 (1921)
Winter, Edward, (signed as “W. F.”) in Dictionary of National Biography, London: Smith, Elder, & Co., (1885-1900) in 63 vols.
^ “The British Library – India Office Select Materials – Collection details”. British Library. Retrieved 3 February 2015.
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