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Duden Rechtschreibung der geographischen Namen Deutschlands
Drosdowski, Günther, (1960)
Słownik nazw miejscowych okre̜gu mazurskiego
Leyding, Gustaw, (1947)
Slavenstvo i romanstvo na jadranskim otocima : toponomastička ispitivanja
Skôk, Pětar, (1950)
Haiti : official standard names approved by the United States Board on Geographic Names
(1973)
Argentina : official standard names approved by the United States Board on Geographic Names
(1968)
Indonesia A-N
(1955)