Skazanii︠a︡ musulʹmanskikh pisateleĭ o slavi︠a︡nakh i russkikh : (S poloviny YII vi︠e︡ka do kont︠s︡a X vi︠e︡ka po R. Kh.) /
Harkavy, Abraham Elijah.
The Hague :  Mouton, 
1969.
Reprint of the St. Petersburg, 1870 edition.
Slavs