SCHMIT, Paul. Horsepower – Innovation in small-scale agriculture and gardening. In: STAATLICHE SCHLÖSSER UND GÄRTEN HESSEN; KROPP, Claus; ZOLL, Lena (Hrsg.). Draft Animals in the Past, Present and Future. Heidelberg: Propylaeum,2022. p. 157–164. DOI: 10.11588/propylaeum.1120.c15610. Disponível em: https://books.ub.uni-heidelberg.de/propylaeum/catalog/book/1120/chapter/15610.. Acesso em: 11 mai. 2024.