Howald and Sigerist (edition 1927, V–XVI) divided the codices into 3 classes (α, β and γ) according to the varying mixture of associated texts in the codices: • α-class containing parts 1, 2, 3, 4a and 5, moreover better synonyms than in the β-class-texts and no
interpolations. The α-class is considered to be the class with the best text-tradition. • β-class containing parts 1, 2, 3, 4b, 5 and 6, moreover
interpolations. The ß-class is considered to be the class with the best illustrations. • γ-class containing parts 1, 2 and 6, without the
interpolations of the β-class. γ-class contains the oldest manuscripts. Singer (1927), Grape-Albers (1977, pp. 2–5) and Collins (2000) cited more manuscripts: • St. Gallen, Stiftsbibliothek, Cod. 217, 9th century. • London, British Library, Harley MS 585, 11th – 12th century. • London, British Library, Harley MS 1585, 12th century. • London, British Library, Harley MS 5294, 12th century. • London, British Library, Harley MS 6258 B, 12th century. • London, British Library, Sloane MS 1975, 12th century. • Oxford, Bodleian Library, MS. Ashmole 1431, 11th century. • Oxford, Bodleian Library, MS. Ashmole 1462, 12th century. • Turin, Bibliotheca Universitaria, MS. K IV 3, 11th century, destroyed by fire. Several more manuscripts can be added (see Mylène Pradel-Baquerre 2013 and Claudine Chavannes-Mazel 2016): • Leiden, University Library, MS BPL 1283, c 1300 (related to Lucca) • Leiden, University Library, MS Voss.Lat.Qu. 13, 10th century (Anglo-Saxon group) • Leiden, University Library, MS Voss.Lat.Qu. 40, 11th century (German group) • Montpellier, Bibliothèque de l'Ecole de Médecine, MS 277, 15th century • The Hague, Museum Meermanno-Westreenianum MS 10 D 7, 10th century (alpha group) == Translation: the
Old English Herbarium ==