Education, sexualities and diversity in 19th century Germany: a study based on Karl Heinrich Ulrich. Research, Society and Development, [S. l.], v. 11, n. 7, p. e11111729821, 2022. DOI: 10.33448/rsd-v11i7.29821. Disponível em: https://rsdjournal.org/rsd/article/view/29821. Acesso em: 5 dec. 2025.