First published in 1950. Routledge is an imprint of Taylor & Francis, an informa company.
- ISBN10 0415104904
- ISBN13 9780415104906
- Publish Date 30 June 1950
- Publish Status Active, Not Sold Separately
- Out of Print 20 March 2008
- Publish Country GB
- Publisher Taylor & Francis Ltd
- Imprint Routledge
- Format Hardcover
- Pages 280
- Language English