Scholarly editing.  Co-General-Editor, with Martin Butler, of The Oxford Works of John Marston, 4 vols (Oxford, forthcoming 2024), and co-I on the £715,000 AHRC grant obtained in 2015.  Edited Measure for Measure for the Norton Shakespeare, 3rd edn, gen. ed. Stephen Greenblatt (2015).  Co-edited (with Eric Rasmussen) Cynthia's Revels for The Cambridge Works of Ben Jonson (2012).  Contributing editor to Richard Brome Online (2010) and to The Oxford Works of Richard Brome (forthcoming, 2023). 

Literary criticism.  Monographs include Speed and Flight in Shakespeare (2022); Digital Humanities and the Lost Drama of Early Modern England (2015); Laughing and Weeping in Early Modern Theatres (2007); Richard Brome (2004); Wars of the Theatres (1998).  Many scholarly articles and book chapters.  Prizes include the Barbara D. Palmer Award (2021); the Calvin and Rose G. Hoffman Prize for Distinguished Publication on Christopher Marlowe (2015); the RSA-TCP Article Prize (2015); and Early Theatre Prizes (2011, 2017).

Lost plays. Co-editor, with Roslyn L. Knutson, David McInnis, and Misha Teramura, of the Lost Plays Database, http://www.lostplays.org (2009-), a collaborative online project to catalogue the 1000+ lost plays of early modern England.  Co-leader of seminars on the topic at SAA 2013, 2017.  Co-editor, with David McInnis, of Lost Plays in Shakespeare's England (2014), "a major achievement" (TLS) which redefines the canon of early modern drama.  Co-editor of Loss and the Literary Culture of Shakespeare’s Time (2020).

Digital humanities.  Former editor of Early Modern Literary Studies, one of the earliest and most durable scholarly ejournals; numerous digital humanities advisory board roles including JISC Historical Texts.  Peer-reviewed contributions to digital humanities publications including the Blackwell Companion to Digital Literary Studies; New Technologies and Renaissance Studies; Digital Studies/Le Champ Numerique. 

Professor Steggle welcomes enquiries from students looking to work on any aspect of early modern literature and drama, particularly in the area of Shakespeare; Jonson; Marlowe; other Renaissance drama, including lost plays; Renaissance dramatic and non-dramatic culture more widely.