Author: Dobrov, A.S.; Добров, А.С.
Publisher:State Geographic Press, Moscow
Copyright:1955
Author: Abū Bakr Muḥammad ibn Zakarīyā Rāzī
Publisher:Osmania Oriental Publications, Hyderabad
Copyright:1955
Author: Толстова, С.П.; Левина, М.Г.; Потапова, Л.П.
Publisher:Izdatelstw Akademi Nauk, Leningrad
Copyright:1956