A collection of 19 treatises on logic, including extracts from the Logica parva of Paolo Veneto and the Summulae of Jean Buridan; the Insolubilia of Roger Swyneshed; De proportionibus of Thomas Bradwardine; and De velocitate of Albertus de Saxonia.

The Houghton Library copy is imperfect; title from incipit (leaf A2r), as transcribed in Duff.

Imprint from ISTC.

Signatures: A⁶(-A1, blank?) B-Z⁶ Aa-Cc⁶ Dd⁸.

Initial spaces.

Proctor, 9752

Duff, 277

STC (2nd ed.) 16693

ISTC (CD-ROM, 1998 ed.), il00272600

Purchase; Sotheby's; October 1963; 63-1476; S.A.E. Morse fd.; bought with *63-1462F-1479.

From the library of the Viscounts Clifden at Lanhydrock House, Cornwall. For a history of the library at Lanhydrock and the compilation of this album, see: Mark Purcell, "The Library at Lanhydrock," The Book Collector, v. 54, no. 2 (2005), p. 195-227.

Imperfect: leaf F6 only; wormed with minor text loss.

Without rubrication.

MS notation: "From the binding of J. Royard's Homiliae, Antverpiae MDXLIIII" (i.e. removed from the binding on a copy of a work by Jean Royaerds, either his Homiliae in omnes epistolas feriales quadragesimae iuxta literam, or Homiliae in evangelia ferarium quadragesimae iuxta literam, both published Antwerp: Joannes Steels, 1544).

Tipped onto fol. 48 of an album of fragments removed from bindings (presumably Oxford bindings of the late 16th-early 17th centuries) of books in the library formed by Hannibal Gamon.