FOTH, Gyöngyvér. Friedrich Balthes - Attempt to Reconstruct the Oeuvre of a Transylvanian Saxon Artist . Studia Universitatis Babeș-Bolyai Historia, [S. l.], v. 67, n. Special Issue, p. 87–109, 2022. DOI: 10.24193/subbhist.2022.spiss.06. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbhistoria/article/view/4867. Acesso em: 5 feb. 2025.