Esperanto
Sekelj, Tibor
Esperanto common language for africa - common language for the world - Rotterdam Universal Esperanto Association, Information Department 1962 - 11 p.
COMUNICAÇÃO INTERNACIONAL
ESPERANTO
LÍNGUA INTERNACIONAL
800.892=20 / S463e
Esperanto common language for africa - common language for the world - Rotterdam Universal Esperanto Association, Information Department 1962 - 11 p.
COMUNICAÇÃO INTERNACIONAL
ESPERANTO
LÍNGUA INTERNACIONAL
800.892=20 / S463e