Tractatus de differentia.

Accession number: 
PML 44866.4
Author: 
Gui, Petrus de.
Published: 
[Seville] : [Stanislaus Polonus], 20 May 1500.
Description: 
[16] leaves ; 21 cm (4to)
Credit Line: 
Purchased in 1953.
Notes: 

Title from half-title page, leaf a1r.
Imprint from ISTC. Date from explicit, leaf b8r: Finitur hic liber de differentia. editus a magistro Petro dagui in urbe Gienne[n]si. Anno a nativitate d[omi]ni Millesimo Quingentesimo. Die vero Vigesima Mensis Maii.
Signatures: a-b⁸: 8 leaves.
Paper format: Chancery quarto
Blind, bearer type visible, leaves a1v and b8v.
Often found with Goff G-549 (PML 44866.2), with which it was probably issued.
PML copy leaf dimensions: 20.2 x 14.8 cm.

Binding: 
16th century (early 1500s) German blind-stamped calf over wooden boards (22 x 16 cm), sewn on 2 bands. Plain paper pastedowns and endleaves; decorative endbands; yellow edges. 2 clasps, missing.
Variant Title: 

De differentia

Inscriptions/Markings: 

Hand decoration: German rubrication (same throughout volume), alternating red and blue initials, red capital strokes and underlining, dated 1500 (leaf b9v of Janua artis). Annotations: No marginal notations in text. Contempoary foliation, by Pol(?) (with more modern version of 4, 5, and 7 than typically seen in 15th century).

Provenance: 
Nicolaus Pol (about 1470-1532), annotations throughout first, second, and fourth works in volume and contents list (front pastedown); unidentified shelfmark: S (fore edge); Lathrop C. Harper, cat. 156 (Oct. 1928), no. 485; Pierpont Morgan Library, purchased from Lathrop C. Harper, June 1953.
Classification: 
Department: