About the book: 2009 / The book presents two rare and valuable written monuments of the late 16th century. The author of the first work is the prince, the Lithuanian magnate Nicholas-Christopher Radziwill the Orphan (1549–1616), the second is the Czech nobleman Vratislav of Dmitrovich (died in 1635). Both historical sources are of significant interest not only to historians, but also for all thoughtful and inquisitive readers.