The Divided Heritage: Themes and Problems in German Modernismedited byIrit Rogoff, Cambridge: Cambridge University Press, 1991, 390 pp., 143 b.&w. illus., £45.00German Expressionism. Primitivism and ModernitybyJill Lloyd, New Haven and London: Yale University Press, 1991, 272 pp., 50 col. plates, 271 b.&w. illus., £40.