This is a collection of posters designed by Roy Behrens (Art Professor Emeritus) at the University of Northern Iowa, which used combined modified features from public domain photographs and other graphic elements.
Sub-Collections. Images of posters by themes (arranged alphabetically in columns):
|ADP||National Parks||Nature, Series 4|
|Events||Nature, Series1||Weiss Exhibit|
|Exhibits||Nature, Series 2|
|Frank L. Wright||Nature, Series 3||Miscellaneous|