This is a two-volume manuscript containing arithmetic and algebra problems attributed to José Monistrol Clérigo (Monistrol is a town in Spain and Clérigo translates as priest). Volume 1 contains 34 unnumbered pages, 18 pages are excised, and the numbered pages begin with 23 and end with 406. Volume 2 contains pages 407-1117. Date from table heading on first unnumbered page of volume 1.
In Rare Books and Manuscripts, University Libraries, Pennsylvania State University, University Park, Pa. (#PS-V-MS-41/Vault F) Title from spine label. Porter Libros, Barcelona, dealer sticker on page 3 of cover.