4 books
August Kotzebue (1761-1819) was a German dramatist and diplomat. He was very prolific, writing over 200 plays--many of which were popular in both Germany and England.
Mansfield Park and Lovers' Vows
The Virgin Of The Sun; A Play, In Five Acts
Joanna of Montfaucon ... the Third Edition.
The Natural Son; A Play, in Five Acts ... Being the Original of Lovers' Vows ... Translated from the German by Anne Plumptre ... Fifth Edition, Revised.