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)
Ben Prof 1/ 198 Vol ii DNA IB (BX no. 66)
BEN PROF 1/ 143/1 DNA IB (BX NO. 48)
Ben prof 1/200A DNA IB (bx no 67)
Ben prof 200/2 DNA IB (bx no.68)
BEN PROF 1/ 145 VOL. II DNA IB (BX NO. 48)
Ben prof 144/ vol.II DNA IB (BX NO 48)