Los Monitos Language Company

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German USA $179 (for 7x 1 hour)
TANDEM Cologne

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German Germany 150€
Linguaffin

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German Germany €162
Alpha Sprachwelt AG

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Deutsch-Institut

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German Germany 200€
Berlitz German

http://www.berlitz.de/

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German Germany Unknown
German Language School Berlin

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German Germany 120€
Deutsch Akademie Munich

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German Germany 285€
Sprach Forum

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German Germany 450 €
Humboldt-Institut

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German Germany 295€
CESA Languages Abroad Berlin

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Deutsch Akademie

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German Germany 295€ (4 week min)