1. Add MS 27864, ff 1r-9v Reference (shelfmark): Add MS 27864, ff 1r-9v Title: Scope & Content: Barlaam the Calabrian, De astrolabio annulari. Collection Area: Western Manuscripts Languages: Greek, Ancient Date Range: 16th century Extent: 9 folios
2. Add MS 27864, ff 9v-14r, 115r-125v Reference (shelfmark): Add MS 27864, ff 9v-14r, 115r-125v Title: Scope & Content: Barlaam the Calabrian, De solis eclipsibus. Collection Area: Western Manuscripts Languages: Greek, Ancient Date Range: 16th century Extent: 17 folios
3. Add MS 27864, ff 15r-70r Reference (shelfmark): Add MS 27864, ff 15r-70r Title: Scope & Content: Elements of Astronomy, Book 2, author unknown. In 12 chapters with a prologue: intended for an introduction to the study of the Syntaxis [Almagest] of Ptolemy. Collection Area: Western Manuscripts Languages: Greek, Ancient Date Range: 16th century Extent: 56 folios
4. Add MS 27864, ff 71r-114v Reference (shelfmark): Add MS 27864, ff 71r-114v Title: Scope & Content: Barlaam the Calabrian, Logistica (TLG 3159.003). Collection Area: Western Manuscripts Languages: Greek, Ancient Date Range: 16th century Extent: 44 folios