English Pronouns
Popko, Ulrich

A Commercial Course
Eckersley/Kaufmann

Visual Dictionary
Merriam-Webster's

Zentralmatura Englisch BHS 2016
Durchstarten

The Ratification of the Constitutin
Schrag

Britain. A short introduction
Bourke

The American Coloniel Experience
Goodman/Gatell

English Grammar in Use
Murphy

Nobody is perfect
Nuffer, Hannelore

English Grammar excersise
Hoffmann/schmidt