A revised and updated version of
Abraham Kuyper: An Annotated Bibliography 1857-2010 by Tjitze Kuipers (2011)

You can buy a printed edition of this book on the site of the publisher.

1981

Johan Rudolf Thorbecke.
In: Ontmoetingen met Antirevolutionairen. [Door] G. Puchinger.
Zutphen, Terra [1981], pp. 70–74.
See: 1972.02.

Included as an appendix (pp. 70–74) to a chapter on Groen van Prinsterer and Thorbecke. The chapter is dated Den Haag, April 21, 1972.