Central Europe : ethnographical - Gross, Alexander (1879–1958). Autor; Geographia (Londyn). Wydawca (Geographia Ltd., 1921)
Scale 1:3 136 000
1 map : color ; 60x46 cm, on sheet 66x52 cm
Date of issue based on BL online
Designation on the sheet map : Plate 85-86
Keywords: socio-cultural maps; languages; linguistic geography; Central Europe