Looking at the world. (General editor: R. J. Unstead.-Part 4 was written in association with G. M. Ashby.- Fourth edition.).
Contributors: Ashby, Gwynneth Margaret; Gadsby, David; Unstead, R. J.
Publisher: Adam & Charles Black; A & C Black Publishers Ltd
Published: 1971
Place of publication: London
Language: eng
Number of pages: 356