File:London, British Library, Cotton Vespasian E.iii, folio 29r.png

Summary
London, British Library, Cotton Vespasian E.iii, folio 29r. Start of the Tractatus de ortu Tartarorum.

Source: http://www.bl.uk/manuscripts/Viewer.aspx?ref=cotton_ms_vespasian_e_iii_f032r