Nick Posegay presents new data in his article on links between the various medieval vocalisation traditions of Hebrew, Syriac, and Arabic. These include the identification of overlaps in the Aramaic terminology used by Jewish Masoretes and Christian Syriac grammarians and in the phonological theories that underlie them. Posegay thus provides new evidence that the systems did not develop in isolation, but where the result of intellectual exchanges between the various religious communities.