Ot Piia IX do Ioanna XXIII.
Series: Akademia nauk SSSR.  Nauchno-populiarnaia seriia; Nauchno-populi︠a︡rnai︠a︡ serii︠a︡
Publisher: Nauka
Published: 1966
Place of publication: Moskva
Language: rus
Number of pages: 195
Subjects: Catholic Church -- Foreign relations.; Catholic Church -- History -- Modern period, 1500-
Notes: Bibliographical footnotes.