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:**
<dl>
<dt>
July 1989:
<dd>First Edition.</dd>
</dt>
<dt>
May 1990:
<dd>Second Edition. Release 4 changes incorporated.</dd>
</dt>
<dt>
February 1992:
<dd>Third Edition. Release 5 changes incorporated.</dd>
</dt>
<dt>
July 1993:
<dd>Minor corrections. Two appendices added.</dd>
</dt>
</dl>