Cook, Chris, 1945- What happened where : a guide to places and events in the twentieth century history / Chris Cook and Diccon Bewes. - New York : St. Martin's Press, 1997. - x, 310 p. : ill. ; 24 cm. Includes bibliographical references and index. Open Access. ISBN: 0312172788 LCCN: 9645597 Subjects--Topical Terms: History, Modern--20th century.--Dictionaries.Historic sites--Dictionaries.