WhitrowMagda, “The Isis Bibliography project. Some problems of classification and cataloguing”, Actes du XIe congrès internationale d'histoire des sciences, ii (1968), 89–94.
2.
WhitrowMagda, “Classification schemes for the history of science”, Journal of documentation, xx (1964), 120–36.
3.
Indeed, funds are so short at present that even the production of Part iv is not assured.
4.
The entries, which are typed on separate cards, are photographed by special cameras on films.
