Book by Sam Tregar, freely available from Apress. [3 MB]

Articles and tutorials on perl programming techniques. Subjects range from CGI to database access and network programming.

Book by Peter Scott about maintaining legacy code. Contents, excerpts, errata, and source code.

A list of frequently asked Perl questions with expert answers.

Includes a collection of documents about Perl.

Core documentation for the current version of Perl, in HTML and PDF formats. Features include highlighting and linking of code examples, labels, and a customisable display.

The Perl Crawler Search Engine is huge searchable index of all sites devoted to Perl and CGI programming, backed up with a state-of-the-art web indexing spider.

Complete text of David Medinets' book, in HTML format.

Hypertexted searchable index to man.

Perl 5 Documentation by Tom Christiansen and Nathan Torkington. And Perl 4 man page by Robert Stockton.