Oakholm Books Specialty: General secondhand Aberfeldy, United Kingdom
Oak Knoll Books, ABAA, ILAB Specialty: Books about Books, Bibliography, Book Arts, History of the Book, Book Illustration, Book Collecting, Bookbinding, Printing, Typography, Publishing NEW CASTLE, DE, U.S.A.
Oakleigh Specialty: Computer Science and educational., Vintage, Magazin, Journals, Classic London, United Kingdom
Oak Tree Fine Press Specialty: Prize Winning Fiction, Booker Prize, Signed Literary Fiction Wheathampstead, HERTS, United Kingdom
Oast Park Books Specialty: Military, Economic History, Social History, Church History, Political History Southend -on- Sea, ESSEX, United Kingdom
Obelisk Books of Stratford-upon-Avon Specialty: Rare and Collectable Books, Modern First Editions, Film and Theatre, China and South East Asia, Politics and Espionage Stratford upon Avon, United Kingdom
Oberle Specialty: Geschichte, Russland und Kommunismus, Naturwissenschaften und Medizin, Kunst und Reisen, Theologie, Philosophie, Literatur, Zeitschriften, Alte Drucke, Pädagogik /Psychologie Bad Münstereifel, Germany
Object Relations, IOBA Specialty: and Music, History, Philosophy, Photography, Cinema, Languages, Modern First Editions, Esoteric, Psychology, Rare books on Art and Design London, United Kingdom
Oblivion Books Specialty: Philosophy and Critical Theory, Radical Literature, and Design, Architecture, Art, Modern Firsts and Fine Literature Seattle, WA, U.S.A.
O'Brien Books Specialty: Books of Irish interest, Gaeilge Books, History, Archaeology, Art, Nature, Travel and exploration and much more Wexford, WEX, Ireland
Observance of Hermits Specialty: Alaskana, Juvenalia, , Old, rare, and collectible books, Art books, Children and young adults, Poetry/ Philosophy/ Lit. Crit., History/ Politics, Psychology/Sexuality, Religion/Sirituality, Nature, wildlife, general science, Fiction, Mystery, Sci-fi,Fantasy,modern & classic in English & Russian Fritz Creek, AK, U.S.A.
Occultique Specialty: Shamanism & Paganism, Witchcraft, UFOs & Extraterrestrial Intelligence, Tarot Books & Cards, Psychology & Personal Growth, Paranormal & Psychical Research, Psychic Phenomena, New Age Teachings, Magick & Occult, Esoteric & Ancient Wisdom, Divination & Character Analysis, Astrology Northampton, United Kingdom
Ocean Books Specialty: used books- Christian Fiction, Fiction, Reference, misc genres Dacula, GA, U.S.A.
Ocean-Books Specialty: Antiquarian Brighton, United Kingdom
Ocean Tango Books Specialty: Mysteries, Technical, Children, Spiritual, Art Monographs, Photography, Signed books and art, Antiquarian, First Editions, History North Hollywood, CA, U.S.A.