Best guide to Asia, Australasia & South Pacific Islands 1989/1990 / [ed. by Brian Crawford]The best guide to the North Pacific & Orient 1989/1990 / [ed. by Brian Crawford]Best guide to Amsterdam & the Benelux / [ed. by Brian Crawford ; assistant ed.: Adrian Marlowe]Best guide to the North Pacific & Orient / [ed. by Brian Crawford]Techniques of photostimulation in biology / ed. by B.H. Crawford ; assoc.ed.: G.W. Granger [and] R.A. Weale