As the title suggests, the accepted answer will explain how each word was found and link the four relevant Wikipedia pages. Some parts are definitely harder than others, but once several words are found, the rest will fall into place. Happy solving!

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Sign up to join this communityAs the title suggests, the accepted answer will explain how each word was found and link the four relevant Wikipedia pages. Some parts are definitely harder than others, but once several words are found, the rest will fall into place. Happy solving!
Taking them in pairs: