Windows 3 made easy /

by Sheldon, Thomas.
Published 1990

Hard disk management in the PC and MS DOS environment /

by Sheldon, Thomas.
Published 1988

Introducing PC-DOS and MS-DOS: a guide for beginning and advanced techniques /

by Sheldon, Thomas.
Published 1985

The complete reference to NetWare 5 /

by Payne, William H., 1937- .
Published 1999