This set includes microfilm copies of books printed in Belgium and the Netherlands and books printed in Flemish or Dutch in other countries before 1601. Partially based on Short-title Catalogue of Books Printed in the Netherlands and Belgium and of Dutch and Flemish Books Printed in other Countries from 1470 to 1600, Now in the British Museum. Publisher's announcement: “Titles of basic importance in all fields are selected from, though not restricted to, this source.”