| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Communicating In German, | 978-0-07-056934-8 | 1993 | Conrad J. Schmitt |
| Communicating In German, Advanced Level | 978-0-07-056941-6 | 1994 | " |
| Schaum's Outline of German Grammar, 4ed | 978-0-07-161567-9 | 2009 | Elke Gschossmann-Hendershot |
| Schaum's Outline of German Grammar, 5th Edition | 978-0-07-182470-5 | 2014 | " |
| Schaum's Outline of German Vocabulary, 3ed | 978-0-07-161547-1 | 2009 | Edda Weiss · Conrad J. Schmitt · Christine Effertz |
Lisa Farley · Lisa Farrell · Lisa Farwell · Lisa Ferrelli · Lisa Fraley · Liz Farrelly · Lois M. Feuerle · Luca Farulli · Luca Fraioli · Lucía Fraile · Luigi Forlai