This list contains a selection of books and websites which may be found useful for further study.

Grammars

Dodd, Bill Eckhard-Black, Christine Klapper, John and Whittle, Ruth, Modern German Grammar, Routledge, 2003 (particularly for its coverage of language functions)

Dreyer, Hilke and Schmitt, Richard, A Practice Grammar of German, Verlag für Deutsch, 2001 (particularly useful for its grammar exercises; the exercise key has to be purchased separately)

Duden 4, Grammatik der deutschen Gegenwartssprache, Dudenverlag, 2009 (for the most advanced students; comprehensive, and with interesting articles on many aspects of language, not just grammar, but not easily accessible)

Durrell, M., Hammer’s German Grammar and Usage, Hodder Headline, 2011 (exhaustive; for advanced users)

www.ids-mannheim.de/grammis (a useful website, in German, maintained by the Institut für deutsche Sprache)

Usage

Duden, Im Zweifel für den Genitiv, Dudenverlag, 2008 (FAQs on German language usage; in German, but not difficult)

Duden 9, Richtiges und gutes Deutsch, Dudenverlag, 2007 (a handbook of German usage; much more comprehensive than the volume above – and more difficult)

Duden 2, Stilwörterbuch, Dudenverlag, 2010 (brief dictionary definitions followed by numerous examples of how words are used in context)

Durrell, M., Using German, Cambridge University Press, 2nd edn, 2003 (with a focus on contemporary usage, including register, i.e. levels of language)

Sick, B., Der Dativ ist dem Genitiv sein Tod, Kiepenheuer & Witsch, 2006 (four collections of witty and sometimes controversial observations on German grammar and usage, taken from the Babelfisch columns of Der Spiegel online)