Fraser, D., Hibbard, H., & Lewine, M. J. (1967). Essays in the history of art: Presented to Rudolf Wittkower / ed. by Douglas Fraser. Phaidon.

Fraser, Douglas, Howard Hibbard, and Milton J. Lewine. Essays in the History of Art: Presented to Rudolf Wittkower / Ed. by Douglas Fraser. London: Phaidon, 1967.

Fraser, Douglas, et al. Essays in the History of Art: Presented to Rudolf Wittkower / Ed. by Douglas Fraser. Phaidon, 1967.