| | | Type | Year Published |
| Vatchkova, V. | (Saint) Helena of Sofia. The Evolution of the Memory of Saint Constantine's Mother | Book Section | 2016 |
| Lavin, Irving | An Ancient Statue of the Empress Helen Reidentified (?) | Journal Article | 1967 |
| 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 |
| Fortner, Sandra Ann; Rottloff, Andrea | Auf den Spuren der Kaiserin Helena. Römische Aristokratinnen pilgern ins Heilige Land | Book | 2000 |
| Nichols, Sarah A. | Between Imperial And Provinicial: The Questions Of Center And Periphery In Constantinian Numismatics | Thesis | 2011 |
| Syson, Luke | Consorts, mistresses and exemplary women: the female medallic portrait in fifteenth-century Italy | Book Section | 1997 |
| Whatley, E. Gordon | Constantine the Great, the Empress Helena, and the Relics of the Holy Cross | Book Section | 2000 |
| Heinz, Andreas | Das Bild der Kaiserin Helena in der Liturgie des lateinischen Westens | Journal Article | 2008 |
| Leppin, Hartmut | Das Bild der kaiserlichen Frauen bei Gregor von Nyssa | Book Section | 2000 |
| Herschel | Der Roman von der Kaiserin Helena und ihrem Sohne Konstantin | Journal Article | 1857 |
| Büttner, A. | Die Trinkschale der Kaiserin Helena im Domschatz zu Trier | Book Section | 1964 |
| Schmidt-Sommer, Irmgard | Dunkle Zeiten, helle Wege: Frauen des frühen Mittelalters gestalten Kirche und Welt | Book | 1998 |
| Sauer, Christoph | Echoes from Abroad -- Speeches for the Domestic Audience: Queen Beatrix' Address to the Israeli Parliament | Journal Article | 1996 |
| Novembri, Valeria | Elena e le altre. Imperatrici e regine sulla via di Gerusalemme fra IV e VI secolo | Journal Article | 2008 |
| Aaij, Michel Pieter | Elene and the True Cross | Thesis | 2002 |
| Cooper, Kate | Empress and Theotokos: Gender and Patronage in the Christological Controversy | Book Section | 2006 |
| Lenski, Noel | Empresses in the Holy Land: the creation of a Christian Utopia in late antique Palestine | Book Section | 2004 |
| Drijvers, Jan Willem | Evelyn Waugh, Helena and the True Cross | Journal Article | 2000 |
| Bosch, Ursula Victoria | Fragen zum Frauenkaisertum | Journal Article | 1982 |
| Bowling, Heather Arrington | Helena and Fausta: empress portraits and imperial authority in the house of Constantine | Thesis | 2006 |
| Drijvers, J. W. | Helena Augusta | Book | 1992 |
| Vogt, J. | Helena Augusta, das Kreuz und die Juden. Fragen um die Mutter Constantins des Grosen | Journal Article | 1976 |
| Drijvers, Jan Willem | Helena Augusta: Cross and Myth. Some new Reflections | Journal Article | 2011 |
| Drijvers, Jan Willem | Helena Augusta: Exemplary Christian Empress | Journal Article | 1993 |
| Lasala Navarro, Isabel | Helena Augusta: una biografía histórica | Thesis | 2009 |
| Laenens, Cyriel | Helena moeder van eerste christenkeizer Constantinus I | Journal Article | 1986 |
| Alfoldi, M. R. | Helena Nobilissima Femina | Journal Article | 1959 |
| Harbus, Antonina | Helena of Britain in Medieval Legend | Book | 2002 |
| Pohlsander, Hans A. | Helena, Heraclius, and the True Cross | Journal Article | 2004 |
| Laurence, Patrick | Helena, mére de Constantin. Metamorphoses d'une image | Journal Article | 2002 |
| Pohlsander, Hans | Helena: Empress and Saint | Book | 1995 |
| Georgiou, Andriani | Helena: The subversive persona of an ideal Christian empress in Early Byzantium | Journal Article | 2013 |
| Schuller, Wolfgang | Herrscherinnen der Spätantike | Book Section | 1987 |
| McNamara, Jo Ann | Imitatio Helenae: Sainthood as an Attribute of Queenship in the Early Middle Ages | Book Section | 1996 |
| Spieser, J.-M. | Imperatrices Romaines et Chretiennes | Journal Article | 2002 |
| Prinz, Friedrich | Kaiserin Helena (249/50-328/29): Eine Kaiserin und heilige aus der Tiefe der Gesellschaft | Book Section | 2003 |
| Embach, Michael | Kaiserin Helena in der lateinischen Legendarik des Mittelalters | Journal Article | 2008 |
| Hofmann, Johannes | Kaiserin Helena: christliche Mitgestalterin eines neuen Zeitalters | Book | 1995 |
| Hofmann, Johannes | Kaisering Helen - Christliche Mitgestalterin eines neuen Zeitalters | Book Section | 1998 |
| Payer, Alja; Glaßner, Gottfried | Kaiserinnen machten Kirchengeschichte: Helena, Pulcheria, Eudokia, Theodora I., Eirene, Theodora II., Theophanu | Book | 2002 |
| Heinen, Heinz | Konstantins Mutter Helena. Geschichte und Bedeutung | Journal Article | 2008 |
| Heinen, Heinz | Konstantins Mutter Helena: De Stercore ad Regnum | Journal Article | 1998 |
| Kühnel, Gustav | Kreuzfahrerideologie und Herrscherikonographie: Das Kaiserpaar Helena und Heraklius in der Grabeskirche | Journal Article | 1997 |
| Pérez Sánchez, Dionisio | La condición de la mujer y el poder real en la sociedad visigoda | Journal Article | 1999 |
| Alamichel, Marie-Françoise | La légende de sainte Hélène de Cynewulf à Evelyn Waugh | Journal Article | 1995 |
| Magnani, Alberto | La Regalità Femminile Tra Oriente e Occidente Nella Tarda Antichità | Journal Article | 2011 |
| Arata, Francesco Paolo | La statua seduta dell'imperatrice Elena nel Museo Capitolino. Nuove considerazioni conseguenti il recente restauro | Journal Article | 1993 |
| Marsura, Stefania | L'Augusta come modello culturale nella monetazione di Lugdunum | Journal Article | 2009 |
| 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 |
