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.

1921

[Letters.—Cables.]
In: De levensavond van Dr A. Kuyper door H.S.S. en J.H. Kuyper.
Tweede vermeerderde druk.
Kampen, J.H. Kok 1921, pp. 22, 30, 59, 77, 93.
Letters and cables, see; 1921.01.
Published: March 1921.
2nd (enlarged) printing of: 1921.01.
Cheap edition, see: 1921.07.
(Print run: 5,000.)