Michael E. Beeth and Mark Wagler, “The Heron Network -- Changing the Ways Students Learn Science,” Electronic Journal of Science Education, Vol. 2 No.2 (December 1997).
Michael E. Beeth and Tracy Huziak, “Inquiry-Based Research Published in ‘I Wonder: The Journal for Elementary School Scientists’ (1992-2000),” Proceedings of the Annual Meeting of the Association for the Education of Teachers in Science (Costa Mesa, CA, January 18-21, 2001), published as "Scientific and Engineering Articles Published by Elementary School Students in I Wonder (1992-2000)," Journal of Elementary Science Education, Vol. 14, 2002.
Mark Wagler and Michael E. Beeth, “Communities of Teacher Inquiry,” in Science: A Chapter of the Curriculum Handbook, Association for Supervision and Curriculum Development, 2002, pp. 27-45 [Mark's section, "Learning to Teach Inquiry Science," is mostly a history and analysis of the "I Wonder" process; Michael's section, "Supporting and Evaluating Professional Development," is an analysis of two teacher training models, Project Discovery in Ohio and the Heron Network].
Mark Wagler, "The Inquiry Approach and Publishing: A Year in the Life of Great Blue," in Chris Weber (ed), Publishing with Students: A Comprehensive Guide, Heinemann, 2002, pp. 120-129.
Tracy Huziak, “Verbal and social interaction patterns among elementary students during self-guided ‘I wonder projects,’” Ph.D. Dissertation, Ohio State University, 2003, 310 p.
Anne Pryor, “Deep Ethnography: Culture at the Core of Curriculum,” Language Arts, Vol. 81, Number 5, May 2004 [includes analysis of the Dane County Cultural Tour in Mark’s class].