Alexander Grab. Napoleon and the Transformation of Europe. New York, 2003. P. 89–90.

Michael Rowe. Napoleon and State Formation in Central Europe // Napoleon and Europe / ed. Philip Dwyer. London, 2001. P. 210; Brendan Simms. Political and Diplomatic Movements, 1800–1830: Napoleon, National Uprising, Restoration // The Shorter Oxford History of Germany / ed. Sperber. P. 31.