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Esperanto - Wikipedia
Esperanto - Simple English Wikipedia, the free encyclopedia
Esperanto language and alphabet - Omniglot
What Is Esperanto, And Who Speaks It? - Babbel.com
Home - Esperanto
Esperanto | International, Constructed & Artificial | Britannica
About Esperanto - Esperanto-USA
Bonvenon al Esperanto-USA! - Esperanto-USA
History of Esperanto - Wikipedia
A brief history of Esperanto, the - The Conversation