El desaguadero de la Mar Dulce
Subtitle: historia de su descubrimiento.
Publisher: Ministerio de Educación Pública, Departamento de Extensión Cultural
Published: 1960
Place of publication: [Managua
Language: spa
Number of pages: 134
Subjects: San Juan River (Nicaragua and Costa Rica); Nicaragua -- History -- To 1838.
Notes: Includes bibliography.