1913 April 11 meeting of the Royal Astronomical Society

1913 April 16 meeting of the Royal Meteorological Society

1913 April 2 meeting of the British Astronomical Association

1913 April 30 meeting of the British Astronomical Association

1913 December 12 Meeting of the Royal Astronomical Society

1913 December 13 meeting of the Royal Meteorological Society

1913 December 31 Meeting of the British Astronomical Association

1913 February 14 meeting of the Royal Astronomical Society

1913 February 19 meeting of the Royal Meteorological Society

1913 February 26 meeting of the British Astronomical Association

1913 January 10 meeting of the Royal Astronomical Society

1913 January 15 meeting of the Royal Meteorological Society

1913 January 29 meeting of the British Astronomical Association

1913 June 13 meeting of the Royal Astronomical Society

1913 June 18 meeting of the Royal Meteorological Society

1913 June 25 meeting of the British Astronomical Association

1913 March 12 meeting of the Royal Meteorological Society

1913 March 14 meeting of the Royal Astronomical Society

1913 May 21 meeting of the Royal Meteorological Society

1913 May 28 meeting of the British Astronomical Association