Anharmonicity of the Lattice Oscillations in the Alkali Halide Crystals, bulk: 26 April 1950, 2 May 1950, 30 May 1950, 15 July 1950, 2 August 1950, 18 August 1950, 7 September 1950, 30 September 1950

Contains a typewritten draft of a letter to the editor of Nature by K S Krishnan with the contents of the research paper titled "Anharmonicity of the Lattice Oscillations in the Alkali Halide Crystals". Along with the draft is an acknowledgment receipt from Nature, cutout of the published research paper, a letter from L J F Brimble regarding an amended proof of the research paper, two letters to the editor of Nature about errors in the research paper, and a cutout of the published amended note of the research paper.