H F Ullmann
H. Blume
Hachette
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Hachette Book Group USA
Hachette Books Ireland
Hachette Éducation
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Hachette Pratique
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Hachette Usa
Hal Leonard Corporation
Hamlyn
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Happy Pants Books
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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
HarperCollinsChildren'sBooks
HarperOne
HarperVoyager
Harriman House Publishing
Hart Publishing
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Hash Books
Hatier
Haunted Computer Books
Hay House Inc.
Hay House UK
Haymarket Books
Headline
Headline Eternal
Headline Group
Headline Publishing Group
Health Communications
Heel Verlag GmbH
Heinemann
HEINLE & HEINLE PUBL INC
Herder
Herder Editorial
Herederos De Eugenio Herrero
Hermida
HĂ©roes 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
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Hodder And Stoughton Ltd.
Hodder Children's Books
Hodder Education
Hoja de Lata Editorial
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Hombre Tre
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Honey Badger Coloring
Hot Key Books
HOUGHTON MIFFLIN
Houghton Mifflin Harcourt
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House of Lore
Hueber Verlag GmbH
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Human Kinetics Publishers
Hungry Minds
Huygens Editorial
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