1. Universal Decimal Classification. English full edition. Philosophy (excluding 159.9 Psychology) (28th November 1969) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (44 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Universal Decimal Classification. English full edition. Psychology (14th February 1969) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗