Information retrieval is now an accepted part of the new discipline of information science and technology... I have concentrated on the field with which I am most familiar, the problems of bibliographic description and subject analysis.

B.C. Vickery (1970) Techniques of information retrieval, London: Butterworth. p. v; As cited in: Lyn Robinson and David Bawden (2011) "Brian Vickery and the foundations of information science".