Cumulated UDC Supplement, 1965-1975. Volume IV: Classes 63/676 (63 Agriculture, Forestry and Fisheries, 64 Household and Domestic Economy, 65 Management. Communications, 66 Chemical Technology, 67/676 Various Industries; Leather, Pulp and Paper, Textiles, etc.).

In continuation of the "Cumulated UDC Supplement - 1964" published by the International Federation for Documentation, this document provides a cumulative supplement to the Universal Decimal Classification for 1965-1975. This fourth of a five volume series lists new classification subdivisions added to the system in the following subject areas: (1) agriculture, forestry, and fisheries; (2) household and domestic economy; (3) management and communications; (4) chemical technology; and (5) various industries. Listings are given in French, German, and English. (EMH)