Language map of Europe - Harding, Samuel Bannister 1866-1927; Denoyer, Levinus Philippus 1875-1964; Blair, R. Baxter (Chicago : Denoyer Geppert Company, 1967)
Economic Europe, 1950
Keywords: EUROPA -- LENGUAS -- 1938 -- MAPAS; EUROPA -- CONDICIONES ECONOMICAS -- 1950 -- MAPAS