X Protocol Reference Manual

**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:**


July 1989:
First Edition.


May 1990:
Second Edition. Release 4 changes incorporated.


February 1992:
Third Edition. Release 5 changes incorporated.


July 1993:
Minor corrections. Two appendices added.