| Clement of Alexandria: A Project of Christian Perfection P Ashwin-Siejkowski Bloomsbury Publishing, 2008 | 83 | 2008 |
| Clement of Alexandria on Trial: The Evidence of'Heresy'from Photius' Bibliotheca P Ashwin-Siejkowski Brill, 2010 | 48 | 2010 |
| The Apostles' Creed: and its Early Christian Context P Ashwin-Siejkowski Bloomsbury Publishing, 2009 | 37* | 2009 |
| Clement of Alexandria P Ashwin-Siejkowski The Wiley Blackwell Companion to Patristics, 84-97, 2015 | 23 | 2015 |
| Plato in Bad Company? Plato’s Republic (588b–589b) in the Nag Hammadi Collection: A Re-Examination of Its Background P Ashwin-Siejkowski Gnosis: Journal of Gnostic Studies 5 (2), 172-187, 2020 | 3 | 2020 |
| The Notion of ‘Heresy’in Stromateis VII and Its Use in Clement of Alexandria’s Polemic P Ashwin-Siejkowski The Seventh Book of the Stromateis, 277-290, 2012 | 3 | 2012 |
| Valentinus' Legacy and Polyphony of Voices P Ashwin-Siejkowski Routledge, 2021 | 2 | 2021 |
| T&T Clark Handbook of the Early Church ILE Ramelli, JA McGuckin, P Ashwin-Siejkowski Bloomsbury Publishing, 2021 | 1 | 2021 |
| The Teachings of Silvanus (NHC VII, 4) and the Education of the Christian Mind P Ashwin-Siejkowski Gnosis: Journal of Gnostic Studies 3 (2), 177-200, 2018 | 1 | 2018 |
| Creeds, Councils and Doctrinal Development P Ashwin-Siejkowski The Early Christian World, 631-646, 2017 | 1 | 2017 |
| SCM Studyguide Early Christian Doctrine and the Creeds P Ashwin-Siejkowski Scm Press, 2013 | 1* | 2013 |
| Chapter Five. The Docetic View Of Christ P Ashwin-Siejkowski Clement of Alexandria on Trial, 95-112, 2010 | 1 | 2010 |
| Community and liturgy P ASHWIN-SIEJKOWSKI T&T Clark Handbook of the Early Church, 261, 2021 | | 2021 |
| Graeco-Roman culture and Christians P ASHWIN-SIEJKOWSKI T&T Clark Handbook of the Early Church, 65, 2021 | | 2021 |
| The Coherence of “Gnosticism”. By Einar Thomassen P Ashwin-Siejkowski The Journal of Theological Studies, 2021 | | 2021 |
| Valentinian Christianity: Texts and Translations. Translated by Geoffrey s. Smith P Ashwin-Siejkowski The Journal of Theological Studies 72 (2), 978-980, 2021 | | 2021 |
| in the Gospel of Philip P Ashwin-Siejkowski Patterns of Women's Leadership in Early Christianity, 96, 2021 | | 2021 |
| The Moral Psychology of Clement of Alexandria: Mosaic Philosophy by Kathleen Gibbons P Ashwin-Siejkowski Journal of Early Christian Studies 27 (2), 330-332, 2019 | | 2019 |
| The Origins of John’s Gospel, written by Stanley E. Porter and Hughson T. Ong P Ashwin-Siejkowski Gnosis: Journal of Gnostic Studies 2 (1), 127-131, 2017 | | 2017 |
| Papers presented at the Seventeenth International Conference on Patristic Studies held in Oxford 2015/Volume 5 Clement of Alexandria/edited by Piotr Ashwin-Siejkowski P Ashwin-Siejkowski Papers presented at the Seventeenth International Conference on Patristic …, 2017 | | 2017 |
