2
by 'Omar H̱ayyām (1048-1131).
Published 1851
Book
3
by Baarmann, Johannes (1858-).
Published 1882
Book
4
by Boll, Franz 1867-1924
Published 1903
Book
5
by {al-Farġānī <<al->> um 861
Published 1986
Book
6
7
Book