ESA - Honourable discharge for Mir space station

Why was the Mir space station abandoned instead of being used as a base for the International Space Station (ISS)? - Quora

International Space Station: Most Up-to-Date Encyclopedia, News & Reviews

What are the differences between space station Mir and the ISS? - Quora

Expedition 46 Preview – ISS Expedition 46

ESA - Mir FAQs - Facts and history

20 years of living in space: What's next for the ISS?

ISS

Spacewalk space station hi-res stock photography and images - Alamy

International Space Station - Wikipedia

ESA - Mir De-orbit Index (English)