Filters
- 21centimprints LLC
- 56 Counties Press
- 5M Books Ltd
- 498 Productions, LLC
- 1848 Publishing
- 1st Book Library
- 8th House Publishing
- 45th Parallel Press
- 12 Willows Press
- A K PETERS
- A&c Black 3pl
- A&d Xtreme
- A.A. Castor
- Aakar Books
- Aalborg University Press
- Aarhus University Press
- Abacus (UK)
- Abbeville Press
- Abbott Press
- ABC Books
- ABC-CLIO
- Abingdon Press
- Ablex Publishing Corporation
- Aboriginal Studies Press
- ABRAMS
- Abrams Noterie
- Abrams Press
- Abremente
- Acacia Books
- Academic
- Academic Press
- Academic Studies Press
- Academica Press
- Academy Chicago Publishers
- Academy of American Franciscan History
- Acc Art Books
- ACLS History E-Book Project
- Actes Sud
- Activehistory Books
- Aderemi T. Adeyemi
- Adlard Coles Nautical Press
- Admore Publishing
- Advanced Editorial
- Advancing Native Missions
- Adventurekeen
- Adventures Unlimited Press
- AEI Press
- Africa World Press
- Afro-American Historical and Genealogical Soc
- Agenda Publishing
- Airways
- AK Press
- Akademie Verlag
- Akashic Books, Ltd.
- Al-Maaref
- ALA Editions
- Alacrity Press
- Alaric Hemingway
- Aleph Book Company
- Alethea in Heart
- Alexander Presley
- Allen & Unwin
- Allworth
- Almuzara
- Aloha Publishing
- Aloha Publishing LLC
- Alpha Edition
- Altamira Press
- Alternating Current
- Amagi
- Amazon
- Amazon Digital Services LLC - KDP Print US
- Amba Press
- Amber Books Ltd
- Amberg Press
- Amberley Publishing
- America Through Time
- American Bar Association
- American Federation of Astrologers
- American Girl Publishing Inc
- American Historical Association
- American History Press
- American Institute for History Education
- American Philosophical Society Press
- American Society of Mechanical Engineers
- American University in Cairo Press
- American Water Works Association
- Americana eBooks
- Ammonite Press
- Amplify Publishing
- Amsterdam University Press
- Anamcara Press LLC
- Ananda Viet Foundation
- Anatiposi Verlag
- Ancestry.com
- AR Colon
- ARC Humanities Press
- ARC Manor
- ASM Press
- ATF Press
- 21centimprints LLC
- 56 Counties Press
- 5M Books Ltd
- 498 Productions, LLC
- 1848 Publishing
- 1st Book Library
- 8th House Publishing
- 45th Parallel Press
- 12 Willows Press
- A K PETERS
- A&c Black 3pl
- A&d Xtreme
- A&u Academic
- A.A. Castor
- Aakar Books
- Aalborg University Press
- Aarhus University Press
- Abacus (UK)
- Abbeville Press
- Abbott Press
- ABC Books
- ABC-CLIO
- Abingdon Press
- Ablex Publishing Corporation
- Aboriginal Studies Press
- ABRAMS
- Abrams Noterie
- Abrams Press
- Abremente
- Acacia Books
- Acad Pr
- Academic
- Academic Press
- Academic Studies Press
- Academica Press
- Academy Chicago Publishers
- Academy of American Franciscan History
- Acc Art Books
- ACLS History E-Book Project
- Actes Sud
- Activehistory Books
- Acumen
- Aderemi T. Adeyemi
- Adlard Coles Nautical Press
- Admore Publishing
- Advanced Editorial
- Advancing Native Missions
- Adventurekeen
- Adventures Unlimited Press
- AEI Press
- Africa World Press
- Afro-American Historical and Genealogical Soc
- Agenda Publishing
- Airways
- AK Press
- Akademie Verlag
- Akashic Books, Ltd.
- Al-Maaref
- ALA Editions
- Alacrity Press
- Alaric Hemingway
- Aleph Book Company
- Alethea in Heart
- Alexander Presley
- Allen & Unwin
- Allen Lane
- Allworth
- Allyn & Ba
- Almuzara
- Aloha Publishing
- Aloha Publishing LLC
- Alpha Edition
- Altamira Press
- Alternating Current
- Amagi
- Amaryllis
- Amazon Digital Services LLC - KDP Print US
- Amba Press
- Amber Books Ltd
- Amberg Press
- Amberley Publishing
- America Through Time
- American Bar Association
- American Federation of Astrologers
- American Girl Publishing Inc
- American Historical Association
- American History Press
- American Institute for History Education
- American Philosophical Society Press
- American Society of Mechanical Engineers
- American University in Cairo Press
- American Water Works Association
- Americana eBooks
- Ammonite Press
- Amplify Publishing
- AR Colon
- ARC Humanities Press
- ARC Manor
- ASM Press
- ATF Press
- Archaeology
- Architecture & Interior Designs
- Bio-Science and Agriculture
- Business Management
- Career Counselling
- Chemistry
- Children Books
- Communication, Mass Media and Journalism
- Computer Science and Information Technology
- Cookery & Food Services
- Creative Writing, Fiction
- Dictionary, Thesaurus, Encyclopedia & Atlas
- Earth-Science/Environment
- Economics
- Education & Psychology
- Encyclopaedias and References
- Engineering
- English Literature
- Fashion & Textile
- Fine Arts
- Fisheries & Aquaculture
- Food Science & Technology
- Foreign Languages
- General Books
- Graphic Design & Animation
- Health, Physical Fitness and Yoga
- History
- Law and Criminology
- Library & Information Science
- Magic & Alchemy
- Mathematics and Statistics
- Medical, Nursing and Health Sciences
- Military and Police Studies
- Music, Theatre & Films
- Pets
- Photography
- Physics and Astronomy
- Politics and Current Affairs
- Religion and Philosophy
- Sociology and Anthropology
- Sports and Physical Fitness
- Tourism, Travel Guide & Hospitality
- Veterinary
- Writing/Research Methods
- A.S. Bhalla
- Abraham Lincoln
- Ahoy Publications
- Albert Bushnell Hart
- Alejandro de la Fuente
- Alexander Hamilton
- Alexander J. Field
- Andrew Spicer
- Anonymous
- ARC Manor
- Arthur Edward Waite
- Asiatic Society of Japan
- Benjamin Z. Kedar
- Captivating History
- David Bates
- David Brewster
- David Eugene Smith
- David Hume
- Dk
- DK
- Donald G. Godfrey
- Dorothy Mills
- Duane W. Roller
- Duchess Harris
- F. W. Hasluck, Editor: Margaret M. Hasluck
- Flavius Josephus
- Florence Nightingale
- Gaius Plinius Secundus
- George Berkeley
- George Whitefield
- Gottfried Wilhelm Leibniz (Freiherr V
- Gotthard Deutsch
- Hippocrates
- Historical Society of Pennsylvania
- Howard Burton
- Isaac Watts
- J. H. Da Cunha Rivara
- Jacob Abbott
- Jacob Duché
- James Anthony Froude
- James Burton Robertson
- James Foster
- James Leo, Jr. Garrett
- Joanne Pillsbury
- Johann Gottfried Herder
- John Adams
- John Cennick
- John Fiske
- John Henry Newman
- John Newton
- John Rogers Commons
- John Stillwell
- John Stuart Mill
- Joseph Priestley
- K.K. Aziz
- K.R. Gupta
- Kansas State Historical Society
- Kenneth A. Loparo
- Lancaster County Historical Society (
- Linda Frey
- Lord Macaulay
- Ltd Publications International
- M. C. (Mordecai Cubitt) B. 1825 Cooke
- Malcolm Godden
- Maria Zack
- Maryland Historical Society
- Matt Clayton
- Minnesota Historical Society
- Mississippi Historical Society
- Mordechai Feingold
- Multiple Contributors
- N. Jayapalan
- New York State Historical Association
- Noah Webster
- Peter Fibiger Bang
- Peter Robb
- Philip Dormer Stanhope
- Pliny
- Pliny (the Elder ).
- Publications International Ltd
- Raymond D. Irwin
- Robin Netherton
- Roger Bacon
- Rosicrucian
- Royal Asiatic Society of Great Britai
- Rudolf Steiner
- Samuel Davies
- Shirley Marie McCarther
- Society of Antiquaries of London
- Stephen Broadberry
- Stephen J. Lee
- Sussex Archaeological Society
- Theodore Roosevelt
- Thomas Adam
- Thomas Babington Macaulay Macaulay
- Toyin Falola
- Various
- Virginia Loh-Hagan
- Walter Scott
- William Smith
