John E. Jardine 's papers are conserved at the North Baker research Library of the California Historical Society , San Francisco .
Jardine took his life after suffering for some time with depression , 23 June 1920 .
Jardine     's papers are conserved at the North Baker research Library of the California Historical Society , San Francisco .
Jardine took his life after suffering for some time with depression , 23 June 1920 .