As an ”interactive, tactile laboratory for exploring the historical relationship between freedom and confinement,” The Knotted Line encourages students to think about complex issues related to race, class, gender, citizenship, and sexuality (USA 2015).

Collaboratively built, online textbook on American history designed for general readers and college-level history courses (USA 2015)

Explore how the U.S. acquired North America in this interactive map of every Native American land cession since the birth of the nation (USA 2020).

Take a closer look behind the past 48 years of presidential debates by reading background essays or viewing video clips of these meetings (PBS, USA 2008).

This online textbook Digital History provides a wealth of resources for American History teachers and learners (USA 2011-18).

With an Arab perspective, this site explains the Crusades (USA: IslamiCity 2010-21).

Die Anfänge des Christentums in Texten und einem Dokumentarfilm (USA: Frontline, PBS 2009-20)

Unterrichtseinheiten und andere Materialien zu den Themen: Air, Climate Change, Ecosystems, Energy, Health, Waste, Water (USA: Environmental Protection Agency 2020)

Planungshilfen für den kompetenzorientierten Unterricht in der gymnasialen Oberstufe (Bildungsserver Baden-W. 2022)

Dossier der Brookings Institution, einem liberalen Thinktank, mit Medienberichten und wissenschaftlichen Untersuchungen zum Thema ʺWahlkämpfe und Wahlenʺ (USA 2018)