No. 520 December 1947

No. 519 November 1947

No. 518 October 1947*

No. 517 September 1947

No. 516 August 1947*

No. 515 July 1947*

No. 514 June 1947*

No. 513 May 1947*

No. 512 April 1947*

No. 511 March 1947

No. 510 February 1947*

No. 509 January 1947*