# Category:Non-fiction books by year

> Wikimedia category

**Wikidata**: [Q9648270](https://www.wikidata.org/wiki/Q9648270)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Category:Non-fiction_books_by_year)  
**Source**: https://4ort.xyz/entity/category-non-fiction-books-by-year