"Polen." . . "United States Board on Geographic Names." . . "United States. Board on Geographic Names." . . . "United States Board of Geographic Names." . . "Poland" . . "Gazetteer of Poland : names approved by the United States Board of Geographic Names"@en . . . . . . . "Ortsverzeichnis" . . . . "Gazetteer of Poland : names approved by the United States Board on Geographic Names" . "Gazetteer of Poland : names approved by the United States Board on Geographic Names"@en . . . . . "Gazetteer of Poland names approved by the United States Board on Geographic Names"@en . . . . "Gazetteer of Poland names approved by the United States Board of Geographic Names"@en . . . . "Gazetteers"@en . . "Gazetteers" . . . "Gazetteer of Poland : names approved by the United States Board of Geographic Names" .