The web address of the Hemken Collection is: http://www.the-hemken-collection.org
The address of the Hemken Collection is: Po Box 86, Williams, IA 50271-0086
The phone number of the Hemken Collection is: 515-854-2749.
The web address of the Iowa Arboretum is: http://www.iowaarboretum.org
The web address of the Antique Car Museum Of Iowa is: www.acmoi.com
The web address of the Iowa Childrens Museum is: www.icm.org
The web address of the University Of Iowa Museum Of Art is: http://www.uiowa.edu
The web address of the Iowa Falls Historical Society is: http://www.iafalls.com
The web address of the State Historical Society Of Iowa is: http://www.iowahistory.org
The web address of the Iowa Aviation Museum is: http://www.flyingmuseum.com
The web address of the Science Center Of Iowa is: http://www.sciowa.org
The web address of the Iowa Hall Of Pride is: http://www.iowahallofpride.com
The web address of the Iowa Contemporary Art is: http://www.icon-art.org