1.
MS-DOS Pocket Reference for the IBM-PC and Compatible Concise Explanations of DOS Commands
by Hofacker, Winfried
ISBN: 9780911827026
List Price: $5.00
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CD-ROM Pocket Reference : Everything You Need to Know about CD-ROM, the New Mass Media Memor...
by Hofacker, Winfried
ISBN: 9780911827194
List Price: $5.00
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Custom Apple and Other Mysteries
by Hofacker, Winfried, Floegel...
ISBN: 9780936200057
List Price: $24.95
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Windows Three Point One Pocket Reference for IBM PC and Compatible
by Hofacker, Winfried
ISBN: 9780911827163
List Price: $5.00