Non-Fiction Subject Directory
Century Past Non-Fiction Subject Directory – the main subject directory for our links to tens of thousands of free non-fiction books pdf. Most books are hosted on the servers of the Internet Archive. Feel free to browse through subjects below, or use our more precise 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.
Animals Books
Architecture Books
Art Books
Biographies & Memoirs – Free Non-Fiction Books PDF
Business Management & Finance Books
Crime & Criminology Books
Economics & Economy Books – Free Non-Fiction Books PDF
Education Books
Entertainment Books
Fashion & Costume Books – Nonfiction Books PDF Free
Fiction Books
Food & Drink Books
Games Books
Gardening Books
Health & Fitness Books
Also see Medical Books, below.
Hobbies & Crafts Books
Home Books – Domestic Subjects – Free Non-Fiction Books PDF
International Organizations Books
International Organizations
Journalism & Publishing Books
Law & Legal System Books – Non-Fiction Books PDF Free Download
Literature
Magazines
Medical Books
Military Books
Music Books – Nonfiction Books PDF Free
Music Books
Mythology & Folklore Books
Native Americans – Books
Newspapers – Current & Archives
Outdoors Books – Non-Fiction Books PDF Free Download
Outdoors
Parenting Books – Child Raising
Philosophy Books
Politics, Government, & Political Science – Books
Reference Books & Librarianship Books
Read Books for Free – Century Past Library
Religion & Spirituality Books
Science Books – Non-Fiction Books PDF Free Download
Self-Help Books
Social Issues & Social Sciences Books
Sports Books
Technology & Engineering – Nonfiction Books PDF Free
Transportation
Terrorism Books
Terrorism
Travel & Exploration Books
Work & Careers Books – Nonfiction Books PDF Free
History
History: Ancient World – Free Non-Fiction Books PDF
History – Articles, Maps & Images
History: Asia – Books – Free Non-Fiction Books PDF
History: Canada – Books
Read Books for Free – Century Past Library
History: Europe – Books – Non-Fiction Books PDF Free Download
History: Military – Books – Non-Fiction Books PDF Free Download
History: U.S. – Books
History: U.S. Great Lakes States – Books & Other Resources
History: Women
History: World – Books