Köln, Erzbischöfliche Diözesan- und Dombibliothek, 83 (83a) Old shelfmarks Darmst. 2183 Century 9 | 9/10 Material Membr. Format 4 Height × width 90 x 80 No. of leaves 89 Type of writing Unciale Printed catalogs Joseph Hartzheim, Catalogus historicus criticus codicum mss. bibliothecae ecclesiae metropolitanae Coloniensis (Köln 1752) 46. 53. 55. 139. 156. | Philipp Jaffé und Wilhelm Wattenbach, Ecclesiae Metropolitanae Coloniensis codices manuscripti (Berlin 1874) 29 Publ. descriptions Joseph Hartzheim, Catalogus historicus criticus codicum mss. bibliothecae ecclesiae metropolitanae Coloniensis (Köln 1752) 46. 53. 55. 139. 156. TK 797. Nicolaus Bubnov, Gerberti postea Silvestri II papae Opera Mathematica (972-1003) (Berlin 1899) XCV. Charles Henry Beeson, Isidor-Studien (München 1913) 89 Source Folkerts | Hartzheim (1752) | Jaffé (1874) Type of source cat. Source’s source insp. Work 1Author standard Boethius Title (ms.) De arithmetica Printed copies Ed. Opp. Boetii (Basil. 1570) 1295-1370 Work 2Author standard Cassiodor Title (ms.) De orthographia liber Printed copies Ed. Gareti II, 605-619 Additional remarks ex Veteribus grammaticis collecta, puta ex Martyruo Adamantio de mediis et ultimis syllabis, tum ex aliis variis grammaticis Work 3Author standard Isidor Title (ms.) (Origg. I, 27 de orthographia) | Chronica Additional remarks Hildebaldinum volumen Folio no. 87v Rubric Inc.ortographia Esidori Work 4Author standard Servius Title (ms.) Centimetrum Printed copies Ed. F.N. Klein (Confluentiae 1825). Keil, Grammatici IV, 456 Folio no. 87 Rubric In nomine dei summi incipit ars Mauri Seruii grammatici de centimetris Work 5Author standard Cassiodor Title (ms.) De grammatica Work 6Author standard Beda Title (ms.) De computo Work 7Author standard Isidor Title (ms.) De arithmetica et geometria Work 8Author standard Boethius Title (standard) Arithmetica
