Note 730 — Chapter IX
Reading edition
Rubruquis (thirteenth century): "We came to the Etil, a very large and deep river four times wider than the Seine, flowing from 'Great Bulgaria,' which lies to the north." Farther on he adds: "It is from this Great Bulgaria that issued those Bulgarians who are beyond the Danube, on the Constantinople side" (quoted by V. de Saint-Martin).