Jef Verheyen, Galerie Bernard, Invitation to the exhibition 'Les peintures essentielles' in Galerie Bernard, Grenchen, 1961. Invitation Card, ink on paper.
Jef Verheyen, Die einzige Dimension, 1960. Text.
Galerie Bernard, Jef Verheyen, • 0768 • The singer, not the song, 1961. Painting, oil paint on burlap, 130 x 97 cm.
Frank Philippi, Jef Verheyen, Reproduction of 'The singer, not the song', 1961. Photography, black-and-white photograph.