| | | Type | Year Published |
| Kovac, Damir | Analiza frizura rimskih carica na novcu 3.-5. stoljeca poslije Krista (Analysis of the Roman empresses' hairstyle on the coinage of the third-fifth century A.D.) | Book Section | 2002 |
| Thierry, Amédée | Aventures de Placidie | Journal Article | 1850 |
| Lacam, Guy | Civilisation et Monnaies Byzantines | Book | 1974 |
| Lawrence, Thomas Christopher | Crisis of Legitimacy: Honorius, Galla Placidia, and the Struggles for Control of the Western Roman Empire, 405-425 C.E. | Thesis | 2013 |
| Meischner, Jutta | Das Porträt der Galla Placidia im Museo dell'Alto Medioevo, Rom | Journal Article | 1991 |
| Becker-Piriou, Audrey | De Galla Placidia à Amalasonthe, des femmes dans la diplomatie romano-barbare en Occident? | Journal Article | 2008 |
| Stein, Ernest | Der Verzicht der Galla Placidia auf die Präfektur Illyricum | | 1914 |
| L'Orange, Hans Peter | Ein unbekanntes Porträt einer spätantiken Kaiserin | Journal Article | 1962 |
| Sanz Serrano, Rosa | El papel de Gala Placidia en la creación de un reino Godo en occidente (The role of Galla Placidia in the creation of the Gothic Western kingdom) | Book Section | 2013 |
| Rousseau, Vanessa | Emblem of an Empire: The Development of the Byzantine Empress's Crown | Journal Article | 2004 |
| Rousseau, Vanessa | Emblem of an Empire: The Development of the Byzantine Empress's Crown | Journal Article | 2004 |
| Cooper, Kate | Empress and Theotokos: Gender and Patronage in the Christological Controversy | Book Section | 2006 |
| Boyce, Aline Abaecherli | Eudoxia, Eudocia, Eudoxia, dated solidi of the fifth century | Journal Article | 1954 |
| Dunn, Geoffrey D. | Flavius Constantius, Galla Placidia, and the Aquitanian Settlement of the Goths | Journal Article | 2015 |
| Barth, Reinhard | Frauen, die Geschichte machten: von Hatschepsut bis Indira Ghandi | Book | 2004 |
| Schild, Wilhelm | Galla Placidia | Book | 1897 |
| Nagl, Maria Assunta | Galla Placidia | Book | 1908 |
| Oost, Stewart Irvin | Galla Placidia and the Law | Journal Article | 1968 |
| Oost, Stewart Irvin | Galla Placidia Augusta: a biographical essay | Book | 1968 |
| Sirago, Vito Antonio | Galla Placidia e la trasformazione politica dell' Occidente | Book | 1961 |
| Consolino, Franca Ela | Galla Placidia imperatrice cristiana | Journal Article | 1994 |
| Sorrell, Sonia | Galla Placidia. Empress Of Rome In A Time Of Turmoil (389-450 A.D.) | Book | 2007 |
| Gourdin, H. | Galla Placidia. Impératrice romaine, reine des goths (388-450) | Book | 2008 |
| Harlow, Mary | Galla Placidia: conduit of culture? | Book Section | 2004 |
| Caffin, Philippe | Galla Placidia: La Dernière Impératrice de Rome | Book | 1977 |
| Sirago, Vito Antonio | Galla Placidia: la nobilissima (392-450) | Book | 1996 |
| Farreras i Valentí, Elvira | Galla Placídia: la reina trista de Barcelona | Book | 2001 |
| Collaci, Antonio | Galla Placidia: la vita e i giorni | Book | 1995 |
| Sivan, Hagith | Galla Placidia: The Last Roman Empress | Book | 2011 |
| Rebenich, Stefan | Gratian, a Son of Theodosius, and the Birth of Galla Placidia | Journal Article | 1985 |
| Wieber-Scariot, Anja | Herrscherin und doch ganz Frau: zur Darstellung antiker Herrscherinnen im Film der 50er und 60er Jahre | Journal Article | 1998 |
| Schuller, Wolfgang | Herrscherinnen der Spätantike | Book Section | 1987 |
| Cesa, Maria | Il matrimonio di Placidia ed Ataulfo sullo sfondo dei rapporti fra Ravenna e i Visigoti | Journal Article | 1992 |
| Spieser, J.-M. | Imperatrices Romaines et Chretiennes | Journal Article | 2002 |
| Richlin, Amy | Julia's Jokes, Galla Placidia, and the Roman Use of Women as Political Icons | Book Section | 1992 |
| Pérez Sánchez, Dionisio | La condición de la mujer y el poder real en la sociedad visigoda | Journal Article | 1999 |
| Magnani, Alberto | La Regalità Femminile Tra Oriente e Occidente Nella Tarda Antichità | Journal Article | 2011 |
| Rovira, José Orlandis | La reina en la monarquía visigoda | Journal Article | 1957 |
| Consolino, Franca Ela | La 'santa' regine da Elena a Galla Placidia nella tradizione dell'Occidente latino | Book Section | 1995 |
| Colodrón, César Candelas | Las mujeres de Hidacio | Book Section | 2006 |
| Herrin, Judith | Late antique origins of the 'Imperial Feminine': Western and Eastern empresses compared | Journal Article | 2016 |
| Wemple, Suzanne Fonay | Le pouvoir des femmes en Europe occidentale au Xe siècle | Book Section | 1990 |
| Werner, Karl Ferdinand | Les femmes, le pouvoir et la transmission du pouvoir | Book Section | 1990 |
| Demougeot, Émilienne | L'évolution politique de Galla Placidia | Journal Article | 1985 |
| Gerke, F. | L'Iconografia delle monete imperiale dall' Augusta Galla Placidia | Journal Article | 1966 |
| Gerke, Friedrich | L'Iconografia delle Monete Imperiali dall'Augusta Galla Placidia alla Fine dell'Impero d'Occidente | Book Section | 1970 |
| Gutmann, René A. | L'Impératrice Galla Placidia raconte sa vie et son temps | Book | 1982 |
| Pavirani, Paolo | Memorie istoriche della vita e governo di Galla Placidia, madre e tutrice di Valentiniano III | Book | 1977 |
| Voirol, A. | Münzdokumente der Galla Placidia und ihres Sohnes Valentinian und Versuch einer Chronologie der Münzprägung unter Theodosius II. (408-450) | Journal Article | 1945 |
| Chabouillet, Anatole | Observations sur deux médallions d'or d'Honorius et de Placidie | Journal Article | 1883 |
