When Kleist faced serious financial difficulties and felt depressed by the theatrical situation in northern Germany in the fall of 1807, he decided to create a popular play with a Viennese audience in mind, a resolve that resulted in Das Käthchen von Heilbronn oder Die Feuerprobe. Ein großes historisches Ritterschauspiel [Cathy of Heilbronn or the Trial by Fire. A Great Historic Knightly Drama]. Writing to his friend and promoter Heinrich Joseph von Collin, Kleist recognized his play was too long and advised him: “Use it fully to meet the demands of your stage”. Eventually the Theater an der Wien premiered a revised version on 17 March 1810 in the tradition of the knightly baroque spectacle favored by the …
Reeve, William C.. "Das Käthchen von Heilbronn". The Literary Encyclopedia. First published 21 July 2004; last revised 30 November -1.
[http://www.litencyc.com/php/sworks.php?rec=true&UID=13116, accessed 19 April 2015.]