"Conrad Diehl". Through The Mayor's Eyes, The Only Complete History of the Mayor's of Buffalo, New York, Compiled by Michael Rizzo. The Buffalonian is produced by The Peoples History Union. 27 مايو 2009. مؤرشف من الأصل في 2008-07-18. اطلع عليه بتاريخ 2009-06-03.
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"Conrad Diehl". Through The Mayor's Eyes, The Only Complete History of the Mayor's of Buffalo, New York, Compiled by Michael Rizzo. The Buffalonian is produced by The Peoples History Union. 27 مايو 2009. مؤرشف من الأصل في 2008-07-18. اطلع عليه بتاريخ 2009-06-03.
