David Crystal - World Englishes

David Crystal - Will English Always Be the Global Language?

676. David Crystal Interview: Let's Talk - How English Conversation Works

The myth of the native speaker (with David Crystal)

The Future of English: In conversation with David Crystal

David Crystal - An Interview on Language Endangerment

455. David Crystal Interview (Part 2) Questions from Listeners

Interview with David Crystal

454. David Crystal Interview (Part 1) Professor of Linguistics