Sandilands, Jane (2001). Helen Macpherson Schutt(PDF). Helen M Schutt Trust. pp. 17–19. Archived from the original(PDF) on 22 August 2011. Retrieved 25 March 2008.
Sandilands, Jane (2001). Helen Macpherson Schutt(PDF). Helen M Schutt Trust. pp. 17–19. Archived from the original(PDF) on 22 August 2011. Retrieved 25 March 2008.