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)
BEN PROF 1/104C DNAIB (BX NO.32)
BEN PROF 1/ 139 VOL. IV DNA IB (BX NO. 46)
BEN PROF 1/123/ VOL.I DNA IB (BX NO.39)
Ben prof 142/ DNA IB (BX NO 47)