_Grunau_1925_BWNG_UL.jpg "Mapa 14.5 MB") | Grunau | 1925 | 400 dpi |  | |
_Grunau_1936_UMK_processed.jpg "Mapa 10.3 MB") | Grunau | Stare Gronowo | 1936 | 300 dpi | |
| colour-processed image / obraz o przetworzonych kolorach | |||||
_Grunau_1936_UPKrak.jpg "Mapa 16.8 MB") | Grunau | Stare Gronowo | 1936 | 400 dpi | |
_Grunau_1936_UMK_orig.jpg "Mapa 10.3 MB") | Grunau | Stare Gronowo | 1936 | 300 dpi | |
| original image / oryginalny obraz | |||||
 | Grunau | Stare Gronowo | 1941 | 300 dpi | |
 | Grunau | 1941 | 300 dpi | | |
