Lorentz, Stanisław: Guide to museums and collections in Poland (Warsaw, 1974)

Olsztyn. Mazurian Museum; interior of a Warmian room

Olsztynek. Ethnographic Park — general view

Olsztyn. Mazurian Museum;
Mazurian tile with Polish
inscription (early 19th cen-
tury)

Opinogora. Museum of Romanticism

Olsztynek. Ethnographic Park; windmill