Krapp argues that, despite its ‘respectablelineage’, the card index generally ‘figures only as an anonymous,furtive factor in text generation, acknowledged – all the way into thetwentieth century – merely as a memory crutch’ (361).2 A keyreason for this is due to the fact that the ‘enlightened scholar isexpected to produce innovative thought’ (361); knowledgeproduction, and any prostheses involved in it, ‘became and remaineda private matter’ (361).