• Detail of a border inhabited by animals and birds., Decisions of Isaiah of Trani the Younger (~Pisqei Rabbi Yeshayah Aharon~)

80v). Decisions of Isaiah of Trani the Younger (~Pisqei Rabbi Yeshayah Aharon~) Jekuthiel ben Solomon, scribe: inscribed with his name in the colophon, 28 Sivan [5]134 [1374] (f. 298v); ~Jekuthiel~ is marked off in the initial letters of the lines

• Detail of a page: initial words of the section on Seder Nashim (Laws of Women) is accompanied by decorated panels. Full foliate border inhabited by animals and birds., Decisions of Isaiah of Trani the Younger (~Pisqei Rabbi Yeshayah Aharon~)

Detail of a page: initial words of the section on Seder Nashim (Laws of Women) is accompanied by decorated panels. Full foliate border inhabited by animals and birds. Pricking and ruling are visible. Words deleted (e. g., ff. 9, 15,

• Detail of a border inhabited by animals and birds., Decisions of Isaiah of Trani the Younger (~Pisqei Rabbi Yeshayah Aharon~)

80v). Decisions of Isaiah of Trani the Younger (~Pisqei Rabbi Yeshayah Aharon~) Jekuthiel ben Solomon, scribe: inscribed with his name in the colophon, 28 Sivan [5]134 [1374] (f. 298v); ~Jekuthiel~ is marked off in the initial letters of the lines

• Decorated initial 'U'(lpianus), at the beginning of book 1, 'De iustitia et iure'., Digestum Vetus, with pre-Accursian glosses

apparatus ad Digestum of Hugolinus-Azo, and Azo, Proemium Degesti Veteris (f. 2v), 1st half of the 13th century.Added draft of a concord between the executors of 'Roger de Hyda miles' and Richard, Rogers's son, 13th century (f.1).William of Newenham: partially

• Puzzle initial 'E'(t) with pen-flourished decoration and marginal diagram at the beginning of book 3 of Geber's 'De astronomia'., A collection of astronomical and mathematical treatises and tables, including Abd-al-Rahman al-Sufi's catalogue of stars (ff. 1v-6v), Geber's 'De astronomia', in the Latin translation by Gerard of Cremona (ff. 8-84v) and commentary on Ptolemy's Almagesta (ff. 85-123), Jordanus's 'Liber phylotegni de triangulis' (ff. 123-130), Wallingford's 'Tractatus Albionis' (ff. 140-157), astrological tables (ff. 157-164), Al-Zarkali's 'Opus astrolabii' (index Saphea), in Latin translation possibly by William the Englishman (ff. 165-173), and Boethius's 'De institutione musica', extract (ff. 175r-v)

Act of Parliament that also established the British Museum; the Harley manuscripts form one of the foundation collections of the British Library. Puzzle initial and diagram Abd-al-Rahman al-Sufi, Geber (index Jabir Ibn Aflah) (attributed to), Jordanus de Nemore, Richardof