EN
The first part of the study presents comprehensively the late medieval manuscript K 16 of the Metropolitan Chapter Library in Prague. By the analysis of its structure, contents, and chronology of the texts the author determines the genesis of the manuscript in three layers well distinguished. The second part of the work verifies the identity of its primary user and focuses on the hussite conservative master and lawyer Jan of Jesenice. He studies the connections of fhis biography and work with the manuscript and he finds a very tight, although indirect relation in all aspects researched. In general, the study is a contribution to opening further ways of studying a late medieval manuscript miscellany.