**The X Windows System:** - [Volume 0: X Protocol Reference Manual](/works/OL4347519W/) - [Volume 1: Xlib Programming Manual](/works/OL4347525W/) - [Volume 2: Xlib Reference Manual](/works/OL19371049W/) - [Volume 3: X Window System User’s Guide](/works/OL2158084W/) - [Volume 4: X Toolkit Intrinsics Programming Manual](/works/OL8272931W/) - [Volume 5: X Toolkit Intrinsics Reference Manual](/works/OL18304438W/) - [Volume 6: Motif Programming Manual](/works/OL3862243W/) - [Volume 7a: XView Programming Manual](/works/OL3862248W/) - [Volume 7b: XView Reference Manual](/works/OL3862247W/) **Printing History:** August 1988: First Printing. November 1988: Second Printing. Minor revisions. May 1989: Third Printing. Release 3 updates added. Minor revisions. April 1990: Second Edition covers Release 3 and Release 4. July 1990: Minor revisions December 1991: Minor revisions July 1992: Third Edition covers Release 4 and Release 5. March 1993: Minor revisions