Repositories
Hamburg
Hamburg
Ottawa, Ontario, Canada
Library, Warsaw Poland
Central library of the Polish Tourist and Sightseeing Society
https://centralnabiblioteka.pttk.pl/index.php?page=o-bibliotece
Romania, Bucharest
Public institution
Dresden
Poznań Poland
On-line collections of Polish cultural and scientific institutions
State Archive, Brest
State Archives of Brest Region
Romania, Bucharest
Public institution
Hamburg, Germany
Augsburg
Essen
Freiburg im Breisgau
Hannover
Leipzig
Nürnberg
Straßburg
Augsburg