Gonick, Larry, The Cartoon History of the United States(1991)
https://www.amazon.com/Cartoon-History-United-States-Guide/dp/0062730983
Swan,K;Grant, S.G., and John Lee, Blueprinting-An Inquiry-Based Curriculum, National Council for the Social Studies(2019)
Swan,K;Grant, S.G., and John Lee, Inquiry Design Model:Workbook, C3 Teachers (2020) http://www.c3teachers.org/idm-workbook/
Edutopia https://www.edutopia.org/
John Spencer http://www.spencerauthor.com/
The Exploratorium https://www.exploratorium.edu/education/ifi/inquiry
C3 Teachers http://www.c3teachers.org/inquiry-design-model/