00253nam a2200109 a 450000500170000008200210001710000060003811000320004424500190007626000290009530000190012420251203091857.0  a824.509,bD, bac  d_  aWatt, A.F., Collins, A.J.F.  aBacon : essays  aDelhibDeep & Deepc1989  avi, 252p, 22cm