The "Virtual Region" of the Conglomerate State and Its "Communitas" : The Discourse of Cohesion of the Land Communities in the Historiography of the 14th Century, Especially in the Chronicle of Zbraslav - Fantysová-Matějková, Jana (. Terra, Ducatus, Marchionatus, Regio. - Vyd. 1.. - Praha : Casablanca, 2013. - 519 S.. - Ill., graph. Darst., Kt.. - ISBN 978-808-7292-25-9, 2013)