Tcl/Tk: A Developers Guide (The Morgan Kaufmann Series in Software Engineering a

Interactive Web Applications with Tcl/Tk

Effective Tcl/TK Programming: Writing Better Programs with TCL and TK

Effective Tcl/TK Programming: Writing Better Programs with TCL and TK: Used

TCL/TK in a Nutshell (Paperback or Softback)

Building Network Management Tools with Tcl/Tk

Tcl/TK in a Nutshell: A Desktop Quick Reference by Raines, Paul; Tranter, Jeff

Tcl/Tk Programmer's Reference