Laing, D. 1875. An Episode in the life of Mrs Rachel Erskine, Lady Grange. Detailed by herself in a Letter from St Kilda, January 20, 1738, and other Original Papers. Communicated by David Laing. Proceedings of the Society of Antiquaries of Scotland. 11, (Nov. 1875), 593–608. DOI:https://doi.org/10.9750/PSAS.011.595.608.