In 1977, she was appointed Professor of Social and Constitutional History of the Early Modern Period at the University of Kassel.
[citation needed] Her research interests include, in particular, the history of rural society, historical research on women and gender, and historical anthropology, often involving sociological and cultural sciences and methods, thereby opening up new perspectives.
In particular her monograph He is the Sun, she is the Moon: Women in Early Modern Germany (Munich, 1992, published in English translation in 1998) has been widely considered beyond the German-speaking world (including an English translation) and is regarded as a fundamental work on early-modern gender history.
Heide Wunder investigated historical and contemporary forms of life in the countryside and dealt with the social microhistory of the village.
Die hessische Domäne Frankenhausen und ihr Umland im 18. bis 20.