The international interdisciplinary organization of scholars and teachers is dedicated to developing the educational potential of the Internet (USA 2019).

Lehrfilme führen in Grundlagen des Geschichtsunterrichts zu allen Epochen ein  (USA, Khan Academy 2017).

Einführungskurs mit der Zielgruppe der US-High School (Khan Academy 2020) 

The website contains open-access digital textbooks, campus courses of customized LibreTexts, homework exercises, and ancillary materials such as visualizations and simulations in STEM fields, social sciences, and humanities (USA 2019).

The National Humanities Center presents America in Class: primary and secondary resources, webinars, and lessons for history and literature teachers (USA 2021).

This lesson focuses on the sections central to Paine’s argument in Common Sense (USA: National Humanities Center 2021).

Extensive online resource designed to enrich secondary and post-secondary instruction in mathematics, the natural sciences, the social sciences, and humanities (USA 2016-20).

ThoughtCo is a premier reference site fo science and math, humanities and religion, architecture and the arts, with a 20+ year focus on expert-created education content (USA 2020).

Variety of biblical topics through three different tabs: People, Places, and Passages (National Endowment of the Humanities and the Society of Biblical Literature, USA 2016-21)

The 10 minutes video discusses, from Federalist No. 70 to the 22nd Amendment and Arthur Schlesinger's ʺImperial Presidency,ʺ the expansion and checks on presidential power (Khan Academy 2019).