The Mouton world atlas of variation in English by ProQuest (Firm), Lunkenheimer, Kerstin, Kortman, Bernd 0 Type: Book
A handbook of varieties of English: a multimedia reference tool: CD-ROM by Kortman, Bernd, Schneider, Edgar W. 0 Type: Book
A handbook of varieties of English: a multimedia reference tool: volume 1: phonology by Upton, Clive, Mesthrie, Rajend, Kortman, Bernd, Schneider, Edgar W. 0 Type: Book
A handbook of varieties of English: a multimedia reference tool: volume 2: morphology… by Upton, Clive, Mesthrie, Rajend, Kortman, Bernd, Schneider, Edgar W. 0 Type: Book