“…The increased awareness of technical information as a resource, for science-based industries in particular, led to the establishment of special libraries, and to the idea of ‘information work’ as distinct from librarianship, from the end of the nineteenth century [16, 23, 24]. These, compared with traditional libraries, had a much more pro-active role, a strong subject focus, and an interest in all forms of information, not just formally published documents [24, 32]. Their distinctiveness was summed up by JD Bernal [33, p. 20] as ‘Old libraries were conceived as depositories of knowledge: the modern library should be a distributor and organiser of knowledge’.…”