PACT OF AMITY BETWEEN THE GOVERNMENTS OF THE REPUBLICS OF COSTA RICA AND NICARAGUA, SIGNED AT THE PAN AMERICAN UNION, WASHINGTON, D.C. FEB. 21, 1949.
Other titles: PACTO DE AMISTAD ENTRE LOS GOBIERNOS DE LAS REPUBLICAS DE COSTA RICA Y NICARAGUA, SUSCRITO EN LA UNION PANAMERICANA, WASHINGTON, D.C. EL 21 DE FEB. DE 1949.