1934 March 23 geophysical discussion

1934 March 28 meeting of the British Astronomical Association

1934 March 9 meeting of the Royal Astronomical Society

1934 May 11 meeting of the Royal Astronomical Society

1934 May 30 meeting of the British Astronomical Association

1934 November 23 geophysical discussion

1934 November 28 meeting of the British Astronomical Association

1934 November 9 meeting of the Royal Astronomical Society

1934 October 26 geophysical discussion

1935 April 12 meeting of the Royal Astronomical Society

1935 April 26 geophysical discussion

1935 December 13 meeting of the Royal Astronomical Society

1935 February 22 geophysical discussion

1935 February 8 meeting of the Royal Astronomical Society

1935 January 2 meeting of the British Astronomical Association

1935 January 23 geophysical discussion

1935 June 14 meeting of the Royal Astronomical Society

1935 March 8 meeting of the Royal Astronomical Society

1935 May 10 meeting of the Royal Astronomical Society

1935 November 29 geophysical discussion