- its-poland.com attraction/poznan-fortress-daysPoznań Fortress Days is an annual event organized by the Poznań Local Tourist Organization together with partners.
- thearmoredpatrol.com 2015/06/27/pictures-from-the…Pictures from the Poznan Fortress Museum. June 27, 2015 ~ Sebastianul. Picture heavy, around 40 pictures.
- tr.mgwiki.top wiki/Poznań_FortressPoznań Kalesi - Poznań Fortress. Katedral Kilidinin Kalıntıları (Dom Schleuse), orijinal iç savunma halkasının bir parçası.
- tripswithkids.eu fort-va-poznan/We went with the children to visit one of the buildings Fortress Poznan. Particular object was a fort Va "Zwischenwerk Bonin" located at Lechicka Street.
- staypoland.com about_poznan.htm/The city experienced intense industrial growth and became an important military centre for Prussia, known as Festung Posen (Fortress Poznan).
- dvidshub.net news/337192/7th-poznan-fortress-daysThis is the seventh annual celebration of Poznan Fortress Days, which occurred on August 24- 25 and highlighted over 20 different locations and attractions...
- wblog.wiki nn/Poznań_FortressPoznań Fortress, known in German as Festung Posen (Polish: Twierdza Poznań) was a set of fortifications in the city of Poznań (German: Posen) in western...
- arrivalguides.com en/Travelguide/POZNAN/events/…This years' edition of Poznan Fortress Days will again focus not only on the Prussian Fortress, but also on medieval fortifications.
- ru.wikibrief.org wiki/Poznań_FortressO 40fikacjach miasta Poznania w XIX i XX wieku., Познань 2006, Wydawnictwo Rawelin, ISBN 83-915340-2-2.