Word Knowledge and Word UsageVito Pirrelli, Ingo Plag, Wolfgang U. Dressler · First published 2020Open the Tome
Oxford Reference Guide to English MorphologyLaurie Bauer, Rochelle Lieber, Ingo Plag · First published 2015Open the Tome
Introduction to English linguisticsIngo Plag · First published 2007 · Latest edition 2009Open the Tome
Language use, language acquisition and language historyIngo Plag, Klaus P. Schneider · First published 2000Open the Tome