Amst., Lettergieterij 'Amsterdam' voorheen N. Tetterode, 1923.
21 p. Wrs. 24 cm (Intr., t & tr. of 4 letters)(Cover marbled paper; the marbled paper of the cover is owing to wear partly split on the back)
Amsterdam, Lettergieterij 'Amsterdam' voorheen N. Tetterode, 1923.
21 p. Stiff wrappers. 24 cm (Introduction, text & translation of 4 letters) (Cover marbled paper; head of spine slightly worn. Paper on the back partly gone)