There is a substantial literature on bookbinding in general and on gothic bookbindings in particular, and the
published material on incunables is extensive. It would be impossible to cite all the valuable work that has been done. Listed here are those resources I have gone to most often.
ON-LINE Resources:
EBDB
Einbanddatenbank: Staatsbibliothek zu Berlin
http://www.hist-einband.de/
BL Database
The British Library-Database of Bookbindings
http://www.bl.uk/catalogues/bookbindings
PUBLICATIONS
BMC
Catalogue of books printed in the XVth century, now in the British Museum. London 1908-1971
BSB-Ink
Bayerische Staatsbibliothek Inkunabelkatalog. Wiesbaden, 1988-
De Marinis
Tammaro de Marinis, La Legatura Artistica in Italia nei secoli XV e XVI. Florence, 1960
Fogelmark
Staffan Fogelmark. Flemish and Related Panel-Stamped Bindings, New York, 1990
Geldner
Ferdinand Geldner. Bucheinbände aus elf Jahrhunderten. Munich, 1958/59
GW
Gesamtkatalog der Wiegendrucke. Leipzig, 1925-
Gibson
Strickland Gibson. Early Oxford Bindings. Oxford, 1903
Goff
Frederick R. Goff. Incunabula in American Libraries, a third census. New York, 1964. (Supplement. New York, 1972)
Goldschmidt
E. P. Goldschmidt. Gothic and Renaissance Bookbindings. London, 1928
GJ
Gutenberg Jahrbuch. Mainz, 1926-
H
Ludwig Hain. Repertorium bibliographicum…ad annum MD. Stuttgart and Paris, 1826-38
HC
Walter A. Copinger. Supplement to Hain’s Repertorium bibliographicum. London, 1895
Hobson
Anthony Hobson. Humanists and Bookbinders. Cambridge, 1989
K or Kyriss
Ernst Kyriss. Verzierte gotische Einbande im alten deutschen Sprachgebiet. Stuttgart, 1951-58
Mazal
Otto Mazal. Europäische Einbandkunst aus Mittelalter und Neuzeit. Graz, 1970
Minor
Dorothy Minor. The History of Bookbinding 525-1950. Baltimore, 1957
Needham
Paul Needham, Twelve Centuries of Bookbindings 400-1600. New York, 1979
Oldham
J. Basil Oldham, English Blind-stamped Bindings. Cambridge, 1952
Pearson
David Pearson. Oxford Bookbinding 1500-1640. Oxford, 2000
Pr
Robert Proctor. An index to the early printed books in the British Museum…to the year MD. London, 1898
Salzbrunn
Ingeborg Salzbrunn. Die Einbandsammlung der Staats- und Stadtbibliothek Augsburg. 1976
Schäfer
Otto Schäfer. Europäische Einbandkunst aus sechs Jahrhunderten. Schweinfurt, 1992
SS or Schwenke/Schunke
Ilse Schunke. Die Schwenke-Sammlung gotischer stempel- und eindanddurchreibungen….Berlin,1979
and (Konrad von Rabenau), 1996
Sprandel-Krafft
Lore Sprandel-Krafft. Die spätgotischen Einbände an den Inkunabeln der Universitätsbibliothek
Würzburg. Würzburg, 2000
Szirmai
J. A. Szirmai. The Archaeology of Medieval Bookbinding. Aldershot & Brookfield, 1999
Thomas
Henry Thomas. Early Spanish Bookbindings, XI-XV Centuries. London, 1939
Weale
W. H. James Weale. Bookbindings and rubbings of bindings in the National Art Library, South
Kensington Museum. London, 1894-98
Weale/Taylor
W .H. James Weale. Early Stamped Bookbindings in the British Museum. London, 1922
White
Eric M. White, Elizabeth Haluska-Rausch, and John T. Mcquillen. Six Centuries of Master Bookbinding
at Bridwell Library. Dallas, 2006
W or Wind
Peter Wind. Die verzierten einbande der handschriften der Erzabtei St. Peter zu Salzburg bis 1600. Vienna, 1982