General history of Africa. III, Africa from the Seventh to the Eleventh century /

Paris : UNESCO, 1988.
Umfang/Format: 1 online resource (869 pages).

Charisteria orientalia : praecipue ad Persiam pertinentia

Praha : Nakladatelství Ceskoslovenské Akademie ved, 1956.
Umfang/Format: 411 p. : ill., facsims., port. ; 25 cm.