Modern Hagiography
Lives of the Saints by Alban Butler.
Lives of the Saints by Francis Weninger.
Lives of the Saints by Sabine Baring-Gould.
Medieval Hagiography
Art & Architecture
Emblems of Saints by Which They Are Distinguished in Works of Art by F. C. Husenbeth.
Music
Modern Hagiography
Bibliotheca Sanctorum – Saint Tarsilla & Saint Emiliana
Martyrologium Romanum – Saint Tarsilla & Saint Emiliana
Roman Martyrology – Saint Tharsilla & Saint Emiliana
Lives of the Saints by Alban Butler.
Lives of the Saints by Sabine Baring-Gould. (Saint Tarsilla)
Our Birthday Bouquet Culled from the Shrines of the Saints and the Gardens of the Poets by Eleanor C. Donnelly. (Saint Emiliana)
Our Birthday Bouquet Culled from the Shrines of the Saints and the Gardens of the Poets by Eleanor C. Donnelly. (Saint Thrasilla)
Pictorial Half Hours with the Saints by Auguste François Lecanu. (Saint Thrasilla)
Pictorial Half Hours with the Saints by Auguste François Lecanu. (Saint Emiliana)
Contemporary Hagiography
Thrasilla/Trasilla and Emiliana were aunts of Pope Gregory the Great. He tells about them in a Homily on Matthew (scroll down to section 15). He also talks about Tarsilla in one of his Dialogues.
Art & Architecture
Nihil sub sole novum 
