00index.txt

interrupt-list/
    Ralf Brown's Interrupt List

dosref33.zip
    Programmer's Technical Reference for MSDOS and the IBM PC
    Shareware Version 3,3 (01/20/94) by Dave Williams
    ISBN 1-878830-02-3

dosref34.exe
    Programmer's Technical Reference for MSDOS and the IBM PC
    Shareware Version 3.4 (11/24/94) by Dave Williams
    ISBN 1-878830-02-3, Self extracting archive

dosref34.zip
    Programmer's Technical Reference for MSDOS and the IBM PC
    Shareware Version 3.4 (11/24/94) by Dave Williams
    ISBN 1-878830-02-3, Word document

helppc21.zip
    HelpPC, version 2.1
    The programmer's online aid.