1938 February 11 meeting of the Royal Astronomical Society

1938 February 18 geophysical discussion

1938 January 14 meeting of the Royal Astronomical Society

1938 January 28 geophysical discussion

1938 June 10 meeting of the Royal Astronomical Society

1938 March 11 meeting of the Royal Astronomical Society

1938 May 13 meeting of the Royal Astronomical Society

1938 May 27 geophysical discussion

1938 November 11 meeting of the Royal Astronomical Society

1938 November 25 geophysical discussion

1938 October 28 geophysical discussion

1938-2008 : la SAL a 70 ans

1939 April 14 meeting of the Royal Astronomical Society

1939 December 8 meeting of the Royal Astronomical Society

1939 February 10 meeting of the Royal Astronomical Society

1939 February 17 geophysical discussion

1939 January 13 meeting of the Royal Astronomical Society

1939 June 9 meeting of the Royal Astronomical Society

1939 March 10 meeting of the Royal Astronomical Society

1939 May 12 meeting of the Royal Astronomical Society