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.
The brief comment is included on pages 75–76, alongside the declaration that the Rev. W. van den Bergh wrote on June 17, 1884, in response to the letter of call from the consistory of the Reformed Congregation of Voorthuizen. The declaration and Kuyper’s supportive remarks were reprinted from De Heraut, no. 339, June 22, 1884. On the resolution, see 1887.03.
The memorial book of the Doleantie was published in February of 1936, with a print run of 2,000 copies.