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Europa in Wort und Bild
Rachel, Hugo, (1924)
La questione dell'Adriatico
Maranelli, Carlo, (1918)
Der Grenzraum zwischen West- und Mitteleuropa
Geisler, Walter, (1937)
Africa : a social, economic, and political geography of its major regions
Fitzgerald, Walter, (1967)
Fitzgerald, Walter, (1961)
The Historical Geography of Early Ireland
Fitzgerald, Walter, (1925)