Dailey Rare Books
- Including illustrated books, early printing, medicine, alchemy, bibliography, graphic arts.
- http://www.daileyrarebooks.com/

De Friedesche Molen
- Specializes in 19th century Dutch literature, scientific and medical books. Based in Amsterdam.
- http://www.friedeschemolen.nl/

The Dust Jacket
- Rare and collectible books. Specializing in medical, Texana and fiction first editions. Book search available.
- http://thedustjacket.biz/

Dandy Lion Editions
- Used, secondhand, out of print, scholarly and collectable books for sale. May open multiple browser windows.
- http://www.dandylioneditions.co.uk/

Dusty Old Books
- Old and antiquarian books, specialties include medical, veterinary, pharmacy, and travel, photographs of all books.
- http://www.dustyoldbooks.com/

Dee Why Books
- Second hand and antiquarian books
- http://www.deewhybooks.com.au/

Dov Used Book Shoppe
- Used books displayed under many category headings.
- http://www.dovbooks.com/

Dickens Alley
- Rare books, collectable art and antiques. Specializing in Colorado authors and artists; poetry, paintings, first editions and author signed books.
- http://www.dickensalley.com/

Dusty Books
- Second hand book shop. Categories include fishing, gardening, food, wine, cookery, literature and fiction.
- http://www.dustybooks.co.uk/

Dickinson Books
- Antiquarian and out-of-print books.
- http://dickinsonbooks.gq.nu/

David Eves Books
- Antiquarian, rare, out of print, first editions and signed books.
- http://www.davidevesbooks.com/

Dolphin Books and Prints
- Rare and out of print books, maps and prints; purchase by email or telephone.
- http://www.dolphin-book.com/

Dawson's Book Shop
- Specialties include books about books, Californiana, photography, printing history, Western Americana.
- http://www.dawsonbooks.com/

David M. Lesser
- Fine Antiquarian Books. Specializing in Americana.
- http://www.lesserbooks.com/

D & D Galleries
- Rare and antiquarian bookdealers; specialties are British and American literature, from the 16th through the 20th centuries.
- http://www.dndgalleries.com/