Sobel, D. (1986). Reactions to the war: European art, 1914-1925.
Lua i Stíl Chicago (17ú heag.)Sobel, Dean. Reactions to the War: European Art, 1914-1925. Milwaukee, 1986.
Lua MLA (8ú heag.)Sobel, Dean. Reactions to the War: European Art, 1914-1925. 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.