- Between “clarity” and “darkness”. The Role of Public Disclosure in the Barmat-Parliamentary-Committees (1925), in: Engels, Jens Ivo; Monier, Frédéric (eds.): History of Transparency in Politics and Society, Göttingen 2020, pp. 71-87.
- Rezension zu: Geyer, Martin H.: Kapitalismus und politische Moral in der Zwischenkriegszeit. Oder: Wer war Julius Barmat?. Hamburg 2018, in: H-Soz-Kult, 07.04.2020, <www.hsozkult.de/publicationreview/id/reb-26647>.
- Paper/ Vortrag für die „7th Global Conference on Transparency Research“ in Kopenhagen, Mai 2022: Transparency to counter corruption? A historical perspective on the committees of inquiry of the Bonn Republic.
- Vortrag auf der Konferenz “History of Transparency in Politics and Society“ in Darmstadt, (18. + 19. Juni 2019.): Between “clarity” and “darkness”. The Role of Public Disclosure in the Barmat-Parliamentary-Committees (1925).