http://AATesaurus.cultura.gencat.cat/aat/getty_enhttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31485724stiff-leaf book structures http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31485724 books by internal form BT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31485724 board books RT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31485724 stiff leaf binding UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31485724 stiff leaf binding structure UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31485724 stiff-leaf UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31485724 stiff-leaf book structure UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31485724 stiff-leaf structure UF