Two classic programs from the well know Italian magazine
"Bit" 1978-1987 Gruppo Editoriale Jackson

BIT01.do:
         PDB - Personal Data Base. Written in Applesoft BASIC. The user interface is in Italian.
         Author D & V Production.

BIT02.do: 
         PL-BIT - A BASIC compiler for an extension of the language PL/0 by Niklaus E. Wirth
         Comes with Applesoft listable, TASC compiled version and a few examples.
         The compiler generate an assembler source compatible with the
         EDASM assembler. The user interface is in English. Author Carlo Magnaghi.