The world of twentieth-century music

Tonal harmony : with an introduction to twentieth-century music / Stefan Kostka, Dorothy Payne

Modern painting in Canada: a survey of major movements in twentieth century Canadian art / Terry Fenton, Karen Wilkin; an exhibition organized by the Edmonton Art Gallery

Education and social structure in the twentieth century / edited by Walter Laqueur & George L. Mosse

Revolutions of the late twentieth century