Catalogo in linea della Library of Congress http://catalog.loc.gov

British biographical archive: a one-alphabet cumulation of 310 of the most important English-language biographical reference works originally published between 1601 and 1929. Managing editor Laureen Baillie, editor Paul Seeveking. Munchen, K. G. Saur, 1984 (Microfiches)

Catalogo in linea della British Library: http://blpc.bl.uk/

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