# Category:Book series by year of introduction

> Wikimedia category

**Wikidata**: [Q30649841](https://www.wikidata.org/wiki/Q30649841)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Category:Book_series_by_year_of_introduction)  
**Source**: https://4ort.xyz/entity/category-book-series-by-year-of-introduction