| XENIX commands and DOS cross development services by Baird Peterson - 1992 - 181 pages |
| XENIX commands and DOS cross development services by Baird Peterson - 1992 - 181 pages |
| XENIX user's handbook by Weber Systems, Inc - 1984 - 308 pages |
| Xlib programming manual by Adrian Nye - 1992 - 783 pages |
| Xlib programming manual by Adrian Nye - 1990 - 635 pages |
| Xlib programming manual by Adrian Nye - 1990 - 635 pages |
| Xlib programming manual by Adrian Nye - 1990 - 635 pages |
| XLIB Programming Manual, Rel. 5 by Adrian Nye - 1994 - 813 pages |
| Xlib reference manual by Adrian Nye - 1990 - 765 pages |
| Xlib reference manual for version 11 of the X Window System by Adrian Nye - 1989 - 709 pages |
| XView programming manual by Dan Heller - 1991 - 770 pages |
| XView programming manual by Dan Heller - 1991 - 770 pages |
| XView programming manual by Dan Heller - 1990 - 642 pages |
| XView reference manual by Thomas Van Raalte - 1991 - 311 pages |
| Your guide to POSIX by Hal Jespersen - 1994 - 64 pages |
| Your guide to POSIX. by Uniforum - 1989 - 20 pages |
| Your Guide to Survey Research Using the Sas System by Archer R. Gravely - 1998 - 292 pages |
| Your UNIX by Sumitabha Das - 2000 - 918 pages |
| 実践 FreeBSDサーバ構築・運用ガイド by 佐々木宣文, 後藤大地 - 2012 - 319 pages |