Also known as the 1951 Refugee Convention, this United Nations multilateral treaty defines who is a refugee, and sets out the rights of individuals who are granted asylum and the responsibilities of nations that grant asylum (2017).

Primary sources and essays arranged into 15 topics relating to the events leading up to the American Revolution. Teachers find some lesson plans (Massachusetts Historical Society 2010-14).

Yale University's Index of Medieval Art is dedicated to ʺimages and information relating to the iconographic traditions of the medieval world.ʺ(USA 2018)

Collection of primary documents relating to World War I, collected by individuals, libraries, and film archives across Europe (University of Oxford 2016-21).

Independent non-profit international research and advocacy organisation involved in issues relating to development, developing countries and North-South affairs. Its website contains information on economics, environment and other issues from a development perspective (2018).

The manosphere is an informal network of blogs, forums and websites where commentators focus on issues relating to men and masculinity (Wikipedia 2018).

All About Mary is a digital encyclopedia that includes a wealth of information relating to the study of Mary and Catholicism (USA: University of Dayton 2018).

Designed for mathematics educators, the podcast features conversations with experts across the globe about a wide variety of issues relating to mathematics instruction and the latest research in the field (USA 2017).

This website of a UK competition contains many resources that readers outside the UK can also benefit from, including a library of more than eighty well-developed, in-depth topic guides ʺcovering debates relating to big questions about science and experimentation, liberty and the law, arts and culture, health and medicine, politics, the media and more.ʺ ...

GCF Global offers this collection of free online tutorials relating to various types of internet skills, including basic internet use, online safety, social media, and email, as well as a series of tutorials dedicated to Google apps (USA 2019).