This book brings the study of nineteenth-century illustrations into the digital age. The key issues discussed include the difficulties of making illustrations visible online, the mechanisms for searching the content of illustrations, and the politics of crowdsourced image tagging. Analyzing a range of online resources, the book offers a conceptual and critical model for engaging with and understanding nineteenth-century illustration through its interplay with the digital. In its exploration of the intersections between historic illustrations and the digital, the book is of interest to those working in illustration studies, digital humanities, word and image, nineteenth-century studies, and visual culture.