Trotzkopf is a 4-book series with 4 primary works first released in 1883 with contributions by Emmy von Rhoden, Freya Stephan-Kühn, Anette Bley, Else Wildhagen, and Suze La Chapelle-Roobol.
1883 • 2 Readers • 222 pages • 4
1892 • 1 Reader • 190 pages
1895 • 1 Reader • 159 pages
1905 • 1 Reader • 189 pages