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.
Apart from a number of editorial changes and a few additions, this draft letter is identical to 1886.21. This is probably the item that according to 1886.21 (p. 24) was read to and accepted by a meeting of suspended members of the Amsterdam Consistory held on November 3, 1886 (UBVU CB 10810). After some minor alterations and a change of title, the letter was subsequently published (see 1886.21).