# 书前资料、序言与凡例

- [资料库目录](https://shandong-chorography.org/database/liaocheng-commerce/toc.md)
- [章节网页](https://shandong-chorography.org/database/liaocheng-commerce/section/1/)

## 篇目

- [概述](https://shandong-chorography.org/database/liaocheng-commerce/section/1/article/1/index.txt) ([网页](https://shandong-chorography.org/database/liaocheng-commerce/section/1/article/1/))
- [序言](https://shandong-chorography.org/database/liaocheng-commerce/section/1/article/2/index.txt) ([网页](https://shandong-chorography.org/database/liaocheng-commerce/section/1/article/2/))