Site of the the body that elects the President and Vice President of the United States every four years (The National Archives and Records Administration 2020)

Alex Keyssar, Professor of History and Social Policy at Harvard Kennedy School, explores the issue (11 minutes / Harvard Kennedy School 2020).

Short explanation by TED-Ed (2020)

The peculiar U.S. institution explained in a few minutes (CGP Grey 2011-19).

Geoscience teaching resources (USA, Carleton College 2011)

This nonprofit initiative at Rice University publishes high-quality, peer-reviewed, openly licensed college textbooks that are free online (USA 2019).

The University College London provides classroom materials, resouces and lesson plans (UK 2019).

So unterrichtet ein kanadisches College die europäischen Wahlen (Carleton University 2018).

Free, interactive, online courses that are designed to complement 6th grade through college level mathematics instruction. (Philipp Legner 2016).

Eine Online-Filmschule mit mehr als 1100 thematisch gegliederten Artikel zu Themen rund um das Medium Film stehen hier allen offen, die gerne mit Film arbeiten. Das Wissen für die Praxis findet sich in der Filmschule, dem Herzstück des Movie-College.