The Region of Upper and Lower Lusatia as an Object of Political Visions, Aspirations and Projects in the 20th and 21st Century - Šatava, Leoš (. Terra, Ducatus, Marchionatus, Regio. - Vyd. 1.. - Praha : Casablanca, 2013. - 519 S.. - Ill., graph. Darst., Kt.. - ISBN 978-808-7292-25-9, 2013)