Encyclopædia Britannica, New edition (Robert MacHenry, 1993, 32030 pages), page 949: the "Free City of Kraków" was designated to be the "symbolic capital of the divided Poland"..
A Concise History of Poland by Hubert Zawadzki and Jerzy Lukowski, 408 pages, published by Cambridge University Press. Chronology: year 1815, the Free City of Kraków, also, chapter “Challenging the Partitions”.
The Quarterly Journal of the Library of Congress, published by the Library in 1983. "Senate and government of the Free City of Kraków - the only fragment of Poland to have an independent existence as a state...".