Dialogues: Sebastian P. Brock, SELECTED DIALOGUE POEMS [SUGYOTHO MGABYOTHO], Bar Ebroyo Kloster Publications 1, Gorgias Press 2009 which is a republication, with additional vowels (and more than a few typing errors) of SUGYOTHO MGABYOTHO published by the MorEphrem monastery in Holland, 1982. For those of Ephrem the publications of E. Beck should be consulted for variants.
DeathSatan2: Dialogue between Death and Satan #2 from Sebastian P. Brock, SELECTED DIALOGUE POEMS [SUGYOTHO MGABYOTHO], Bar Ebroyo Kloster Publications 1, Gorgias Press 2009 = LII in Edmund Beck Des heiligen Ephraem des Syrers Carmina Nisibena CSCO 240=Scrip.Syri 102, pp. 73ff.