ocr: Product code Title Macintosh program development guides M0615LI/A Macintosh Programmer's Worisbop 4 Toobacinterface ad Librarie, version3.1 M0019LL/C MPW: Macantosh Prognammer's Worlshop, version3.1 B0236LI/C MPWA Am: Macintosh Programmer's Worksbop.Avemsler,