Title from half-title page, leaf a1r.
Imprint from colophon, leaf i6r: Viri doctrinatiui Petri hyspani summule siue isagoge in arestotelicos dyalectice libros cura peruigili reuise atq[ue] emendis q[ui]bus scatebant erepte Impresse Colonie industria Henrici Quentel ciuis euisdem Felici metha q[ui]escunt. Duo decimo k[a]l[end]as octobris anno salutis ante iubileu[m] centesima[m].
Printed in Quentell's types 6:63G, 7:80G, 8:130G, and 9:280G.
PML Checklist defines as Quentell's second press, division A.
Signatures: a-e⁶ f⁴ g⁶ h⁴ i⁶: 50 leaves.
Paper format: Chancery quarto.
Woodcut and woodcut diagrams.
PML copy leaf dimensions: 19.2 x 13.2 cm.
Hand decoration: Rubrication largely unrealized (1 initial added, leaf a2r). Annotations: No marginal notations in text.