article: Constructed language
links: Sindarin Quenya Láadan Interlingue Engineered languages Glosa Wenedyk Basic English Toki Pona Interslavic language Lingwa de planeta Ido Klingon language Dothraki Newspeak Brithenig Esperantido Middle-earth languages Lojban Volapük Esperanto Folkspraak Atlantean language Talossan language Interlingua Na'vi language