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Pennsylvania Dutch : the story of an American language | Louden, Mark Laurence | 2016 | |
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Pfälzer in Amerika | Kremp, Werner / 1945-; Stiftung Rheinland-Pfalz für Kultur | 2010 | |
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Diglossia at twilight : German and Pennsylvania "Dutch" in the mid-nineteenth century | Costello, John R. | 1986 |