Pure products.

"Conducted exclusively in the interest of science and research as applied to the general food and beverage industries and to practical information for those industries" (varies slightly)

Repertoire de chimie pure. Compte rendu des progres de la chimie pure en France et a l'etranger

Mode of access: Internet.

Questions in pure mathematics proposed at the B.A. and B.Sc. pass and honours examinations of the University of London. With complete solutions.

Mode of access: Internet.