pledged word

References in classic literature ?
If I had known you were going to challenge him, I should have felt obliged to sacrifice my pledged word in order to stop it, but Wilson couldn't be expected to do otherwise than keep silent.
Churchill was grateful for Jewish efforts and was adamant that the Declaration, which he viewed as the solemnly pledged word of Britain to the Jews, "could not be set aside when, in later years, it became awkward to fulfill" (p.
They were tough, rugged people, merciless racketeers and plunderers who held little sacred except their pledged word.
But I've rendezvous with Death At midnight in some flaming town, When Spring trips north again this year; And I to my pledged word am true, I shall not fail that rendezvous.
The Holy Prophet (peace be upon him) used to say often in his sermons: A"Remember, there is no faith in him who is not trustworthy, there is no place for him in religion who cares not for his pledged word or promise.