"National Register of Historic Places Program: Weekly List".
National Park Service.
2018-07-20.
Retrieved 2018-07-27.

"Best Building".
City of Rock Island.
Retrieved 2018-07-27.

David Morgan. "
Murals that trick the eye".
CBS News.
Retrieved 2018-08-31.
"National Register of Historic Places Program: Weekly List". National Park Service. 2018-07-20. Retrieved 2018-07-27.
"Best Building". City of Rock Island. Retrieved 2018-07-27.
David Morgan. "Murals that trick the eye". CBS News. Retrieved 2018-08-31.
Best Building