https://www.hanse.org/en/hanse-historic/the-history-of-the-hanseatic-league/ - This is the current website of the Hanseatic League. The webpage gives an autobiographical history of the organization with various links to specific topics of interest.
https://www.youtube.com/watch?v=CBjLSRfqoAg – Khan Academy video about the Song Dynasty in China. It covers the reasons why the Song Dynasty was prosperous, focusing on their trade relations and economy.
https://www.youtube.com/watch?v=FyW7CUl9KDc –Khan Academy zones in on medieval trade in Eurasia, examining the various reasons underpinning the vast trade networks of the time.