Daniel L. Schwartz (eds.), "To Isidore the Count" in last modified February 15, 2018, http://syriaca.org/work/3167 To Isidore the Count Severus of Antioch — ܣܘܝܪܝܘܣ ܕܐܢܛܝܘܟܝܐ http://syriaca.org/work/3167 508-511(?) A letter of Severus of Antioch preserved in fragment without a clear indication of its place in the various ancient collection of his letters. A Collection of Letters of Severus of Antioch, from Numerous Syriac Manuscripts: Letters I to LXI Tomus Duodecimus Patrologia Orientalis 20 A Collection of Letters of Severus of Antioch, from Numerous Syriac Manuscripts: Letters I to LXI Tomus Duodecimus Patrologia Orientalis 20 en A Collection of Letters of Severus of Antioch, from Numerous Syriac Manuscripts: Letters I to LXI Tomus Duodecimus Patrologia Orientalis 213