1948 January 9 meeting of the Royal Astronomical Society

1948 Kampala CCD Spectrum

1948 March 13 meeting of the Royal Astronomical Society

1948 May 14 meeting of the Royal Astronomical Society

1948 October 29 meeting of the Royal Astronomical Society

1948 October 8 meeting of the Royal Astronomical Society

1948 revisited

1948-49 Among the Variable Star Observers

1949 2006 Fifty-seven years

1949 2007 Fifty-eight years Gravity Research Foundation P.O.BOX 81389 Wellesley Hills, MA 02481-0004,USA Founded by Roger W. Babson

1949 2008 Fifty-nine years Gravity Research Foundation P.O. Box 81389, Wellesley Hills, MA 02481-0004, USA Founded by Roger W. Babson

1949 2009 Sixty years Gravity Research Foundation P.O. Box 81389, Wellesley Hills, MA 02481-0004, USA

1949 April 8 meeting of the Royal Astronomical Society

1949 December 9 meeting of the Royal Astronomical Society

1949 February 11 meeting of the Royal Astronomical Society

1949 January 14 meeting of the Royal Astronomical Society

1949 July 1 meeting of the Royal Astronomical Society

1949 March 11 meeting of the Royal Astronomical Society

1949 May 13 meeting of the Royal Astronomical Society

1949 November 11 meeting of the Royal Astronomical Society