H F Ullmann
H. Blume
Hachette
Hachette (RCS)
Hachette Book Group USA
Hachette Books Ireland
Hachette Éducation
HACHETTE LITTERATURE DIFFUSION
Hachette Pratique
Hachette Tourisme
Hachette Usa
Hal Leonard Corporation
Hamlyn
Hanban
Happy Pants Books
HARDIE GRANT BOOKS
Hardie Grant Books (UK)
Harlequin
Harlequin Books
Harlequin Ibérica
HARP House Publishing
Harper
HARPER COLLINS
Harper Collins Publ. USA
HARPER COLLINS US BRAND CODE
Harper Collins USA
Harper Perennial
HarperBusiness
HarperCollins
HarperCollins e-books
Harpercollins Espanol
Harpercollins Ibérica S.a.
HarperCollins Publishers Inc
HarperCollins; 1er edición
HarperCollinsChildren'sBooks
HarperOne
HarperVoyager
Harriman House Publishing
Hart Publishing
Harvard University Press
Hash Books
Hatier
Haunted Computer Books
Hay House Inc.
Hay House UK
Haymarket Books
Hazy Dawn Press
Headline
Headline Eternal
Headline Group
Headline Publishing Group
Health Communications
Heel Verlag GmbH
Heinemann
HEINLE & HEINLE PUBL INC
Henry Holt and Co.
Herder
Herder Editorial
Herederos De Eugenio Herrero
Hermida
Héroes De Papel
Hexa editores
Heye
Hidden Gnome Publishing
Hiperion
Hiru Argitaletxea
Hispano Europea Editorial S.a.
Historia 16
Historia 16 - Historia Viva
Hk Books
HMW Publishing
Hodder & Stoughton
Hodder & Stoughton General Division
Hodder And Stoughton
Hodder And Stoughton Ltd.
Hodder Children's Books
Hodder Education
Hoja de Lata Editorial
Hojas de Luz
Hombre Tre
Homo Legens
Honey Badger Coloring
Hot Key Books
HOUGHTON MIFFLIN
Houghton Mifflin Harcourt
Hourly History
House of Lore
Hueber Verlag GmbH
HUEBER VERLAG GMBH & CO. KG
Human Kinetics Publishers
Hungry Minds
Huygens Editorial
Hypernova Publishing