The Reformational Publishing Project and Paideia Press are working hard to get out the Collected works of Herman Dooyeweerd out at an affordable price.
Crisis in de Humanistische Staatsleer has been translated and recently published at £7. More details here.
Also forthcoming are the following.
(Thanks to Danie Strauss for providing the contents of each one)
The Historical and two Systematic Volumes of the Encyclopedia of the Science of Law contents
The collection of Essays on Time, Law and History contents
Essays on the Transcendental Criticism
Volume II of Reformation and Scholasticism in Philosophy: An Introduction to the anthropology of the philosophy of the cosmonomic idea contents
Volume III of Reformation and Scholasticism: Philosophy of nature and philosophical anthropology
Dooyeweerd’s Inaugural Address contents
Philosophy and theology