Frey, H. and Baetens, J. (2019) Comics Culture and Roy Lichtenstein. Art History, 42 (1). pp. 126-152. ISSN 0141-6790
Baetens, J., Frey, H. and Tabachnick, S. E. (2018) The Cambridge History of the Graphic Novel. Cambridge Histories - Literature . Cambridge University Press, Cambridge, UK. ISBN 9781107171411
Baetens, J. and Frey, H. (2017) ‘Layouting’ for the plot: Charles Burns and the clear line revisited. Journal of Graphic Novels and Comics, 8 (2). pp. 193-202. ISSN 2150-4865
Frey, H. and Baetens, J. (2017) Graphic Novels and the First World War. In: Teaching Representations of the First World War. Options for Teaching . Modern Language Association, New York, pp. 277-284. ISBN 9781603293044
Frey, H. and Baetens, J. (2015) The Graphic Novel: An Introduction. Cambridge University Press, New York. ISBN 9781107655768