- 免费的Perl入门书籍：《Beginning Perl》，可以在线阅读，同时提供下载。
- Reference（参考，指针）入门短文：Understand References Today (You only need to know 10% of what’s in the manual to get 90% of the benefit. This article is going to show you that 10%. )
- Learn Perl: A Tutorial to Get You Started 。（20150820添加）
