Little Stour Books
- Offering rare, used and antiquarian books.
- http://www.littlestourbooks.com/
LughnassadhBooks.com
- New, used, and out-of-print books.
- http://www.lughnassadhbooks.com/
Librairie Sourget
- Illuminated books, manuscripts, horae, incunabula, literature, bindings and works from 15th to 19th century.
- http://www.librairie-sourget.com
Lemuria Books
- Signed first editions, stock includes Southern writers, Civil War, and children's books.
- http://www.lemuriabooks.com/
La Pluma Blanca
- Used and out of print books.
- http://asamee.bizland.com/
LaPointe's Used Books
- Used books on a searchable website.
- http://www.lapointesbooks.com/
Librairie Hatchuel
- French antiquarian books on history of ideas, politics, economics, social sciences, and philosophy.
- http://www.hatchuel.com/main.php?lg=2&dev=1
Lion and Phoenix Books
- Rare, used, and out-of-print books; specializing in paperbacks and digests, first editions.
- http://www.lpbooks.com/
Liber Antiquus
- Selection of early printed books, covering a broad range of topics and disciplines.
- http://www.liberantiquus.com/
Loganberry Books
- Used and rare books, specializing in children's and women's titles. Include a book identification service.
- http://www.logan.com/loganberry/
LB BK Store
- Offers stock available in conventional set prices and auction format.
- http://www.lbbk.com/
Lucky Dog Books
- Online request service for used hardbacks, paperbacks, LPs, cassettes, CDs, and videos.
- http://www.luckydogbooks.com/
Lymelight Books & Prints.
- Antiquarian and secondhand books; specialities are art, geology, illustrated, literature, natural history, poetry, Topography and travel. Large general stock.
- http://www.lymelight-books.demon.co.uk/
Lynge and Søn
- Antiquarian booksellers; Browse by subject or search by keyword.
- http://www.lynge.com/
Librairie Minet Frères
- dealers of early printed and rare books with a preference for the Ancien Regime (in French and English).
- http://www.anticbooks.com/
Louis Collins Books
- Specializing in scholarly out-of-print books, especially anthropology of the world.
- http://www.collinsbooks.com/