1928 November 21 meeting of the Royal Meteorological Society
1928 November 28 meeting of the British Astronomical Association
1928 November 9 meeting of the Royal Astronomical Society
1928 October 31 meeting of the British Astronomical Association
1928 UF
1928+738: A Superluminal Source With Large Scale Structure
1929 April 12 meeting of the Royal Astronomical Society
1929 April 17 meeting of the Royal Meteorological Society
1929 April 24 meeting of the British Astronomical Association
1929 December 13 meeting of the Royal Astronomical Society
1929 December 18 meeting of the Royal Meteorological Society
1929 February 15 geophysical discussion
1929 February 20 meeting of the Royal Meteorological Society
1929 February 27 meeting of the British Astronomical Association
1929 February 8 meeting of the Royal Astronomical Society
1929 January 11 meeting of the Royal Astronomical Society
1929 January 18 geophysical discussion
1929 January 2 meeting of the British Astronomical Association
1929 January 30 meeting of the British Astronomical Association
1929 June 14 meeting of the Royal Astronomical Society