Robertson, Silvia
German verbs
Hodder & Stoughton, 1994
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Saunders, Joy
German verb handbook : comprehensive guide to German verbs
Berlitz, 1993
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McKeane, Alasdair
German
Longman, 1994
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Park, Bryan
500 Basic Korean verbs
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McKaughan, Howard P.
The Inflection and syntax of Maranao verbs
Institute of National Language, 1958
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