The letter as a work of art; observations and confrontations with contemporaneous expressions of art from Roman times to the present day.

by Knuttel, Gerhardus, 1889-
[Amsterdam] Lettergieterij "Amsterdam" voorheen N. Tetterode, 1951

Adriaen Brouwer; the master and his work.

by Knuttel, Gerhardus, 1889-
The Hague, L.J.C. Boucher, 1962