-
September 2012. "Introducing the
Accord (1976)".
Sydfyns MC
Service Onlinekatalog 2020.
Retrieved 10
December 2019. Niedermeyer, Paul. "Curbside classic:...
- Schlemmer, Oskar". www.deutsche-biographie.de.
Retrieved 2016-05-11. http://
onlinekatalog.staatsgalerie.de/detail.jsp?id=D9E4A68D4B3CA5F4BEC141B69028205B&img=1[permanent...
- Navigart.fr (in French).
Retrieved 2024-03-20. "Werk -
Untitled (Target)".
onlinekatalog.kunsthalle-bremen.de.
Retrieved 2024-03-20. "Selling Out | Sammlung...