McGruff House Pamphlet(PDF), Lincoln Police Department Crime Prevention Group, archived from the original(PDF) on August 7, 2016, retrieved June 7, 2016
McGruff House Pamphlet(PDF), Lincoln Police Department Crime Prevention Group, archived from the original(PDF) on August 7, 2016, retrieved June 7, 2016
McGruff House, City of Mitchell, archived from the original on June 17, 2016, retrieved June 7, 2016