Editura
Siad Edizioni
Siaj
Sian Books
Sibguard
Sibila Bucureşti
Sibila Craiova
Sibyllen Verlag
Sic Press Group
Sichuan People's Publishing House
Sidgwick & Jackson
Sieben Publishing
Siebenbürgischen Museums Gundelsheim
Siebenpunkt Verlags
Siedler Verlag
Sifriat Poalim
Sigbert Mohn Verlag
Sigloch Edition
Sigma
Sigma Plus
Sigma Primex
Sigma-Aldrich Corporation
Sigmund Freud
Sigmund, Freud
Signata
Signet
Signet Classic
Signum
Signum Suceava
Sigong Tech
Sihanul
Sikh Missionary Center
Sildan '94
Silex
Silhouette Books
Silk Road Publications
SilkWeb
Sillabe
Silman-James Press
Siloam Press
Imprint of Creation House
Silva
Silva-Press
Silvana
Silvana Editoriale
Silvana Editoriale D 'Arte
Silvania
Silver Tek
Silverdale Books
Silvia & Octavian Förlag
Silvius Libris
Simec
Simetria
Simon & Schuster
A CBS Company
Simon & Schuster Books for Young Readers
Simon & Schuster BFYR
Simon & Schuster Paperbacks
Simon and Schuster
Simon Publications
Simon Pulse
Simonis Petri Weber
Simplu