BEN PROF 1/ 73 VOL.IV DNA IB (BX NO. 26)
Ben Prof 2 91/II DNA IB(BX NO 30)
BEN PROF 1/79 VOL.II DNA IB (BX NO.28)
BEN PROF 1/ 73B DNA IB (BX NO. 26)
Ben Prof 1 104/ VOL IV DNA IB (BX NO 33)
BEN PROF 1/ 74/I DNA IB (BX NO. 26)
BEN PROF 1/102 VOL. II DNAIB (BX NO.32)
Ben Prof 1 105/VOL II DNA IB (BX NO 33)
Ben Prof 1 108 DNA IB (BX No. 33)
BEN PROF 1/ 96 DNA IB (BX NO. 31)