Maddox, L. E., Howell, J. B., & Callahan, C. C. (2020). Wise-Practice Use of Visual Primary Sources: Towards a More Interactive Presentation of Content81(1), Article 3. https://thekeep.eiu.edu/the_councilor/vol81/iss1/3 

Callahan, C., Howell, J. B., & Maddox, L. E. (2019). Selecting and designing visual curriculum materials for inquiry-based instruction. Social Studies Research and Practice14(3), 321-334. https://doi.org/10.1108/SSRP-08-2019-0042

Maddox, L. E., Howell, J. B., & Saye, J. W. (2018). Designing geographic inquiry: Preparing secondary students For citizenship. Journal of Geography,117(6), 254-268. https://doi.org/10.1080/00221341.2018.1495249