"About Dr. Tolin". Dr. David Tolin. Retrieved January 18, 2018.
familysearch.org
"United States Public Records, 1970-2009," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QJVM-DMQ4 : 16 May 2014), David F Tolin, Residence, Kirkland, Washington, United States; a third party aggregator of publicly available information.