1. X toolkit intrinsics programming manual : for X11, release 4 Author/Creator: Nye, Adrian, author Publication/Creation: Sebastapol, CA : O'Reilly & Associates, [1990] Resource Type: Book Edition: Second edition. Access & Availability: Loading
2. X Toolkit Intrinsics programming manual : OSF/Motif 1.1 edition for X11, release 4 Author/Creator: Nye, Adrian, author Publication/Creation: Sebastopol, CA : O'Reilly & Associates, [1990] Resource Type: Book Edition: Motif edition. Access & Availability: Loading
3. Xlib reference manual : for version 11 of the X Window System Publication/Creation: [Sebastapol, CA] : O'Reilly & Associates, [1990] Resource Type: Book Edition: 2nd ed. covers release 3 and release 4, major revisions. Access & Availability: Loading