Gerson, Johannes: De cognitione castitatis et de pollutionibus diurnis; Forma absolutionis sacramentalis.

[Cologne:  Ulrich Zell, ca. 1467]
4to.   [18 210]   18 leaves, leaf 9 blank.
Dated ca. 1468 in GW.
The collation of this copy not as GW and Bod-inc [a8 b9];  2/1 (f.9) is a blank, conjugate with 2/10 (f.18).
ISTC ig00194000;  Goff G194;  Bod-inc G-095;  GW 10728.

Shelf-mark: Sp Coll Ferguson An-y.23 (see main library entry for this item)
Variant: Variant reading in the incipit on 1/1r, line 3:  without the word “de” present in the GW transcription.
Bound with: Bound (the second item) with and probably issued together with:  Johannes Gerson, De pollutione nocturna (Goff G255).
Note: Four printer's pinholes visible throughout.
Provenance: Georg Franz Burkhard Kloss (1787-1854), physician, Frankfurt:  book label “Georgius Kloss, M.D. Francofurti ad Moenum” on front pastedown;  lot 1699 in 'Catalogue of the library of Dr. Kloss, of Franckfort a M. ...' (London:  Sotheby, 1835).
John Ferguson (1837-1916), Professor of Chemistry, University of Glasgow:  Ferguson’s acquisition and bibliographical note on front pastedown “John Ferguson London May 4 1882. The blank leaves are a feature in this very scarce book. Before 1470.”
University of Glasgow:  Ferguson collection purchase, 1921.
Binding: Germany, 19th-century half brown morocco, marbled sides;  pale blue endpapers;  partial early title on fore-edge in ink suggesting that this and its companion had probably once been bound up with another or other works. Size:  217 x 155 mm.
Leaf size: 213 x 148 mm.
Annotations: A few marginal annotations in an early hand on 1/1r, 1/1v and 1/2r.
Decoration: Initials and paragraph marks supplied in red throughout.
Imperfections: None.

Annotations and coloured initial in Gerson, Johannes: De cognitione castitatis et de pollutionibus diurnis