Thomson, R. M., McKitterick, R., Kwakkel, E., & Lieftinck, G. I. (2012). Turning over a New Leaf: Change and Development in the Medieval Book. Leiden University Press.

Thomson, Rodney M., Rosamond McKitterick, Erik Kwakkel, and G. I. Lieftinck. Turning over a New Leaf: Change and Development in the Medieval Book. [Leiden]: Leiden University Press, 2012.

Thomson, Rodney M., et al. Turning over a New Leaf: Change and Development in the Medieval Book. Leiden University Press, 2012.