Non-Fiction Subject Directory
Nonfiction subject directory, free books. Main directory for our links to tens of thousands of free online non-fiction books.
You may also choose to use our A-Z Subject Index.
All our books – and all other items on the site – are free online. There is no sign-up to use Century Past.
Books on the site not in the public domain (most books published since 1923) are nearly all at the Internet Archive, so you’ll need a free account there to read them. Here’s their info about borrowing books.
Subject Directory – Non-Fiction Books
Century Past Webpages – Non-Fiction Books
Animals, Domestic
Architecture & Interior Design
Architecture, General & History
House & Farm Building Plans, 19th Century
Interior Design & Home Furnishings
Arts
Biographies & Autobiographies
Biographies from Ancient History
Biography Collections & Guides
Individual Biographies & Memoirs
Business Management & Finance
Crime & Criminal Justice
The Economy, Study of Economics
Telecommunications & Mass Media
Education
College Guides & Admission Exams
Library Research Guides & Writing Skills
Entertainment & Performing Arts
Theater, Dance, Performing Arts
Environment
Fashion & Costume
Fiction
Food & Drink
Games
Gardening
Health & Fitness
Disease & Physical Ailments
Substance Abuse, Alcohol Abuse
History
Hobbies & Crafts
Handicrafts, Arts & Crafts
House & Home
Journalism & Publishing
Broadcasting & Mass Communications
Law & Legal System
LGTBQ
Literature
Menu for All Categories of Literature
Magazines
Medical
Military
Music
Mythology & Folklore
Native Americans
Native Americans – History & Reference
Native Americans – Political Issues
Native Americans – Tribes & Regions
Newspapers – Current & Archives
Outdoor Recreation
Parenting, Child Development
Philosophy
Politics, Government, Ideology
Reference & Librarianship
Dictionaries & Grammar Handbooks
Library Research Guides & Writing Skills
Religion & Spirituality
Sciences
Self-Help
Motivational & Inspirational
Relationships & Communication
Social Problems, Social Services
Social Sciences
Customs, Rites & Traditions
Ethnic Studies & Genealogy
Sports
Technology & Engineering
Civil Engineering, Construction
Energy Technology & Engineering
Terrorism
Transportation
Travel & Exploration
Africa Travel & Exploration