| Preservation Alliance of Minnesota | mnpreservation.org |
| Prairiemod | prairiemod.com |
| Northwest Architectural Archives | http://www.lib.umn.edu/scrbm/naa |
| Taliesin Fellows | www.taliesinfellows.org |
| The Frank Lloyd Wright Foundation | franklloydwright.org |
| Taliesin Preservation (Spring Green) | taliesinpreservation.org |
| Wisconsin Historical Society | wisconsinhistory.org |
| Organic Architecture & Design Archives | www.oadarchives.com |
| MN Chapter-Society of Architectural Historians | www.mnsah.org |
