Living English Structure
Allan, W.Stannard

Business and Commerce
Wood, Neil

English in Mind 3 Student's Book
Puchta, Herbert / Stranks, Jeff

Basic English Usage
Swan, Michael

Spotlight on Britain
Sheerin, Susan u.a.

Advanced Grammar in Use
Hewings, Martin

Englisch for You 1
Ribitsch, Horst

Increase your wordpower key
Woxbrandt / Kunze

German-English Prose Translation
Snell

Presenting facts and figures
Kerridge, David