Columbia subject headings:
Harvard subject headings:
Bydgoszcz (Poland)--History, Military.
Fortification--Poland--Bydgoszcz--History.
Princeton subject headings:
Barracks--Poland--Bydgoszcz--History.
Bydgoszcz (Poland)--Buildings, structures, etc.
Bydgoszcz (Poland)--History, Military.
Garrisons--Poland--Bydgoszcz--History.
Military architecture--Poland--Bydgoszcz--History.
Military churches--Poland--Bydgoszcz--History.
Military hospitals--Poland--Bydgoszcz--History.