一般注記Vols. 1-8 are lithographic reprints.
"The present catalogue is based on the arrangement of the incunabula in the British museum planned and in great part carried out by the late Robert Proctor, and completed from his notes after his death. The arrangement itself was founded on the unofficial 'Index to the early printed books in the British museum, with notes of those in the Bodleian library, ' published by Proctor in 1898."--Introd.
Parts 1-3 and 4-7 paged continuously.
Facsimiles accompany each part; facsims. for pts. 1-7 are bound in 2 v.
Parts 1-4 edited by A. W. Pollard; parts 5- by Victor Scholderer.
An index to parts 1-3 is included in pt. 3, also a Concordance of Proctor-numbers and present press-marks of books not described by Hain, and an index of printers and towns.
Vol. 7 contains an index to pts. IV-VII, also a Concordance of Proctor-numbers and present press-marks of books not described by Hain, a list of Proctor-numbers excluded from pts. IV-VII, and an index of printers and towns.
-- ---Pt. IV. Italy: Subiaco and Rome. Index. The Hague, M. Nijhoff, 1916. 16 p. 36 cm. Preface signed: B. Kriutwagen, O.F.M., Wouter Nijhoff. "The ... index ... is the result of the joint initiative of the author and publisher, who have undertaken the work on their own responsibility ... [and] as a matter of course, is only a provisional one."--Pref.