Within the field of genetic criticism, Raymonde Debray Genette coined the terms ‘en- dogenesis’ and ‘exogenesis’ to denote respectively the writing of drafts and the interaction with external source texts during the writing process. The proposed panel focuses on the ways in which exogenesis and its relationship with endogenesis can be given shape in a digital infrastructure. The case studies are the works, reading notes and personal libraries of James Joyce and Samuel Beckett