Iowa Rural Schools Museum, Rural Legacy Project:. "Images of Historic Iowa School Documents". OER Commons. Institute for the Study of Knowledge Management in Education, 03 May 2017. Web. 30 May 2020. <https://www.oercommons.org/authoring/21758-images-of-historic-iowa-school-documents>.
Iowa Rural Schools Museum, R. (2017, May 03). Images of Historic Iowa School Documents. OER Commons. Retrieved May 30, 2020, from https://www.oercommons.org/authoring/21758-images-of-historic-iowa-school-documents.