Jef Verheyen, Paul De Vree, Publication of the manifesto 'Essentialism' (1958) in the periodical De Tafelronde 8, nr. 3, 1963. Periodical, ink on paper.
Jef Verheyen, Guy Vaes, Walter Vanermen, • 0770 • Untitled (Als de binnenvorm de buitenvorm is), 1956. Ceramics, glazed earthenware, 26,5 x 11 x 10,5 cm.
Jef Verheyen, Jozef Peeters, Englebert Van Anderlecht, Notebook, 1958-1961. Book.