, documentation:
Xlib programming manual
Xlib reference manual (3rd ed.)
XLIB Programming Manual, Rel. 5
Xlib programming manual (3rd ed.)
Xlib programming manual for version 11
XLIB Programming Manual: v. 1 Release 5.0
Xlib Reference Manual: For Version 11, Vol 2
XCL: An Xlib Compatibility Layer for XCB
Xlib - c language x interface, protocol version 11
X Window System : the complete reference to Xlib, X Protocol, ICCCM, XLFD
