"Germanic languages Vowel gradation." . . "Ablaut-relations in the weak verb in Gothic, Old High German, and Middle High German"@en . "Ablaut-relations in the weak verb in Gothic, Old High German, and Middle High German" . . . . . "Ablaut-relations in the weak verb in gothic, old high german and middle high german. A dissertation submitted to the... [University of Chicago], by Charles Goettsch" . . . . . . . "Ablaut-Relations in the Weak Verb in Gothic, Old High German, and Middle High German" . . . . . . . "Ablant relations in the weak verb in Gothic, Old High German, and Middle High German"@en . "Germanic languages Verb." . . . .