1. Harley MS 1811, ff 37v-38v Reference (shelfmark): Harley MS 1811, ff 37v-38v Title: A note concerning the use of astronomical tables and a calendar Scope & Content: A note concerning the use of astronomical tables and a calendar, incipit: 'Tamen si quis eius verum locum...' Collection Area: Western Manuscripts Languages: Latin Date Range: Early 15th century Extent: 2 folios.