Marc Lehmann: Programmieren von Grafiken mit Perl.
O'Reilly 2001, 350p. Eur 34.

15795 Stephen Lidie: Perl/Tk pocket reference. O'Reilly 1998, 100p. Eur 9.

15763 Stephen Lidie: Perl/Tk pocket reference. Internet ca. 2002, 58p.

15186 Steve Lidie/Nancy Walsh: Mastering Perl/Tk. O'Reilly 2002, 750p.

Martien Verbruggen: Graphics programming with Perl.
Manning 2002, 300p. $28.

Shawn Wallace: Programming Web graphics with Perl and GNU software.
O'Reilly 1999, 470p. DM 69.

13557 Nancy Walsh: Einfu''hrung in Perl/Tk. O'Reilly 2000, 360p.

8602 ZZ: GD.pm - interface to GD graphics library. Version 1.14.
Internet, ca. 1995.