Supplement to Hain's Repertorium Bibliographicum: or collections towards a new edition of that Work : in 2 pts.: the first containing nearly 7000 corrections of and and additions to the collations of works described or mentioned by Hain; the second, a list with numerous collations and bibliographical particulars of nearly 6000 volumes printed in the fifteenth century, not referred to by Hain - Copinger, Walter Arthur (Görlich, 1950)
W. A. Copinger.