Arabic Numeral Series 14 (Short 1982)
Arabic Numeral Series 15 (Short 1982)
Arabic Numeral Series 16 (Short 1982)
Arabic Numeral Series 17 (Short 1982)
Arabic Numeral Series 18 (Short 1982)
Arabic Numeral Series 1 (Short 1980)
Arabic Numeral Series 2 (Short 1980)
Arabic Numeral Series 3 (Short 1980)
Arabic Numeral Series 11 (Short 1981)
Arabic Numeral Series 12 (Short 1981)