Pictorial and Biographical Memoirs of Elkhart and St. Joseph Counties, Indiana 1893; "GOSHEN—John B. Walk, ex-mayor of this city, whose suicide has been noted, shortly before hanging himself paid an assessment on a $5,000 life insurance/policy. . Ever since he failed in the drug business several years ago Mr. Walk has been despondent "Hoosier State Chronicles" 30 May 1901 & 5 June 1901 (https://newspapers.library.in.gov )