B                         BlockStmt                 Buf  
BSphere                   Bool                      Builder  
BasicCtypes               Boolean                   BuiltInSlots  
Batch                     BooleanProp               BuiltinOps  
BatchRep                  BooleanPropPrivate        BuiltinSpecials  
BatchUtil                 BooleanPropProxy          BuiltinSpecials2  
BdrVBTClass               BooleanVBT                BuiltinTypes  
BiFeedbackVBT             BorderedVBT               Bundle  
BinIO                     BoxGO                     BundleRep  
BinaryTree                BoxGOProxy                ButtonVBT  
BitSize                   Brand                     ByteSize  
BitVector                 Browser                   
BitVectorRep              BtnVBTClass