Verwaltungssoziologie. In: Wilhelm Bierfelder (ed.), Handwörterbuch des öffentlichen Dienstes: Das Personalwesen. Berlin: Erich Schmidt, 1976, Spalte 1744–1751.

Konflikte und Konfliktregelungen im Betrieb. In: Erwin Grochla, Waldemar Wittmann (eds.), Handwörterbuch der Betriebswirtschaft: Band 2: Gl - Rech. Enzyklopädie der Betriebswirtschaftslehre. Stuttgart: Poeschel, 1975, Spalte 2176–2182.

Bürokratie. In: Erwin Grochla, Waldemar Wittmann (eds.), Handwörterbuch der Betriebswirtschaft: Band 1: A - Ge. Enzyklopädie der Betriebswirtschaftslehre. Stuttgart: Poeschel, 1974, Spalte 1058–1065.

Probleme der politischen Aufgabenplanung. In: Ulrich Becker, Werner Thieme (eds.), Handbuch der Verwaltung. Köln: Heymann, 1974.

Organisationsziel. In: Erwin Grochla (ed.), Handwörterbuch der Organisation. Stuttgart: Poeschel, 1969, Spalte 1255–1261.

Soziologie der Organisation. In: René König (ed.), Handbuch der empirischen Sozialforschung. Stuttgart: Enke, 1969, 444–513.

Die Organisationssoziologie und ihre Beziehungen zur Organisationslehre. In: Erich Schnaufer, Klaus Agthe (eds.), Organisation. TFB-Handbuchreihe. Berlin: Deutscher Betriebswirte-Verlag, 1961, 29–54.

Dagstuhl Manifesto: Digital Social Media. Perspectives Workshop: Digital Social Networks January 25, 2010. Dagstuhl Seminar Proceedings, Volume 10041. Wadern: Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2010.

The Scientization of Central Banks (Cumulative Thesis). PhD Thesis, University of Cologne. Studies on the Social and Political Constitution of the Economy. IMPRS-SPCE, Cologne 2024.

Imaginaries of Freedom: How Imagined Futures Shaped South Africa’s Transition from Apartheid, 1976-1996. PhD Thesis, University of Cologne, Cologne

Keeping a Job: Asylum Seekers and Refugees in Temporary and Non-Regular Employment in Germany. PhD Thesis, University of Duisburg-Essen, Duisburg 2023.

Linking Wealth and Power: Unity and Political Action of the World’s Wealthiest Capitalist Families and the Corporate Elite (Cumulative Thesis). PhD Thesis, University of Cologne. Studies on the Social and Political Constitution of the Economy. IMPRS-SPCE, Cologne 2023.

Making Mobility a Market: An Economic Sociology of Migration Brokerage. PhD Thesis, University of Duisburg-Essen. Studies on the Social and Political Constitution of the Economy. IMPRS-SPCE, Cologne 2023.

The Politics of Budgetary Constraints: An Ideational Explanation for the Variation in National Fiscal Frameworks in the Eurozone. PhD Thesis, Institut d'Études Politiques de Paris, Paris 2023.

Piercing the Fog: Transcalar Social Mobilization around Large-Scale Land Acquisitions in Mozambique. PhD Thesis, University of Duisburg-Essen. Studies on the Social and Political Constitution of the Economy. IMPRS-SPCE, Cologne 2023.

Business Power in Digital Capitalism (Cumulative Thesis). PhD Thesis, University of Cologne. Studies on the Social and Political Constitution of the Economy. IMPRS-SPCE, Cologne 2023.

Politische Konditionalitäten in der EU: Vom Aufstieg neuer Governance-Instrumente in den Europäischen Struktur- und Investitionsfonds. PhD Thesis, University of Cologne, Cologne 2022.

The Diffusion, Survival and Legacy of Medieval Consecrated Life: The Sociology of Historical Religious Communities in Europe. PhD Thesis, University of Wuppertal, Wuppertal 2022.

Gendered Influences on Labor Policies in Turkey. PhD Thesis, University of Cologne, Cologne 2021.

Re-Encountering Climate Change: Indigenous Peoples and the Quest for Epistemic Diversity in Global Climate Change Governance. PhD Thesis, University of Duisburg-Essen. Studies on the Social and Political Constitution of the Economy. IMPRS-SPCE, Cologne 2021.