Tragedia Petri comitis
Published: 1952
Place of publication: Wrocław
Language: pol
Number of pages: 88
Other titles: Cronica Petri comitis Poloniae.; Tragedia Petri comitis.
Notes: Polish and Latin text.

"Osobne odbicie z Pamiętnika Literackiego, Rocznik XLIII, 1952, z. 1-2"