Hillesum, E., Pomerans, A. J., & Gaarlandt, J. G. (1988). Letters from Westerbork: Etty Hillesum. Introduction and notes by Jan G. Gaarlandt, translation by Arnold J. Pomerans. Grafton.

Hillesum, Etty, Arnold J. Pomerans, and Jan Geurt Gaarlandt. Letters from Westerbork: Etty Hillesum. Introduction and Notes by Jan G. Gaarlandt, Translation by Arnold J. Pomerans. London: Grafton, 1988.

Hillesum, Etty, et al. Letters from Westerbork: Etty Hillesum. Introduction and Notes by Jan G. Gaarlandt, Translation by Arnold J. Pomerans. Grafton, 1988.