Copy letter from Robert William Frederick Harrison to Miss Isaac, Mineralogical Department, University Museum, Oxford 'Dear Madam, I ahev the pleasure to inform you that your paper on "The spontaneous crystallisation and melting and freezing point curves of mixtures of two substances, &c" has been accepted for publication in the Proceedings of the Royal Society. A proof of the paper will be submitted to you as soon as it is received from the printers.' 8 July 1910