In the past, documentation has frequently been compared with librarianship, with some argument as to which comprehends the other. The field is more h… - Brian Campbell Vickery

Systems transfer or transform materials, energy or information - and usually all three. An information system is one whose prime function is to transfer or transform information: the telephone system is an obvious example. This book concentrates on certain types of information system: those concerned with the transfer of information between specialists, mainly with reference to their work, and mainly based on documents. The focus is thus on specialised documentary information systems.

[There has been] a widening of the field covered by the concept of “information”, both its theory and its practice. Information transfer has been put on a par with the transfer of matter and energy, as one of the primary natural processes.’

I am whole-heartedly in favour of the profession learning more about the history of [information transfer]. We have a tendency to focus on the newest forms of information provision … neglecting the continued existence and continuing importance of all the previous forms… But our profession is not that of the historian (or sociologist or philosopher) interesting as their work may be.