Antonia was postdoctoral Research Associate in the project Ancient Letter Collections at the University of Manchester from December 2016 until December 2021. The project, funded by Arts and Humanities Research Council and directed by Professor R. Gibson (Durham University) and Professor A. Morrison (University of Glasgow), aims at producing two co-authored monographs on the surviving Greek and Latin letter collections up to about 410 CE, examining the patterns of arrangement of letters in ancient collections.