First published in 1957. This is Volume VIII of Mannheim's collected works. When Karl Mannheim was proscribed by Hitler in 1933, like others on that first list he was at once offered academic posts in universities in different parts of the world. He came to London, and the book which follows is based on two of the courses of lectures that he gave in London: the first was given at the London School of Economics under the title Systematic Sociology,...