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.

1957

[Letter.]
In: Correspondentie van Robert Fruin 1845–1899. Uitgegeven door H.J. Smit en W.J. Wieringa. (Werken uitgegeven door het Historisch Genootschap. Vierde Serie: no. 4).
Groningen/Djakarta, J.B. Wolters 1957, p. 155.
Dated: Beesd, June 22, 1865.

In this letter to R. Fruin (1823–1899), written as Kuyper was preparing 1866.01, Kuyper asks for help determining whether handwritten corrections to one of A. Lasco’s works had actually been made by A. Lasco himself.