Samuel Ibn Tibbon and the Esoteric Character of The Guide of the Perplexed Ravitzky, Aviezer. “Samuel Ibn Tibbon and the Esoteric Character of The Guide of the Perplexed.” Association of Jewish Studies Review 6 (1981): 87-23.On The Guide of the Perplexed Online: “Samuel Ibn Tibbon and the Esoteric Character of The Guide of the Perplexed.” jstor link, subscription required