 De Havilland Engine Company Care and maintenance of the De Havilland Gipsy Queen III 200 H.P aero engine |  CHURCH, Leslie F. (ed) The London Quarterly & Holborn Review, January -October 1953 (4 issues) |  WILLCOCKS, R.M. & JAY, B The British county catalogue, Volume 1 |  HORN, Roger A. & JOHNSON, Charles R. Matrix analysis |  CHESTERTON, G. K. The man who knew too much and other stories |