Actas de la Conferencia Nacional Hispana sobre Alcoholismo, auspiciada por el Instituto Nacional sobre Abuso del Alcohol y Alcoholismo, 7-10 de septiembre de 1980, San Antonio, Texas.

Cover title: El alcoholismo y los hispanos : una preocupación nacional.

Documentos relativos al Instituto Nacional Mejía.

Mode of access: Internet.

Trabajos del Museo nacional de ciencias naturales.

The subtitle "serie zoológica" does not appear on the first seven numbers, as the Trabajos were not originally divided into series.

Trabajos del Museo nacional de ciencias naturales.

The subtitle "Serie geológica" does not appear on the first four numbers, as the Trabajos were not originally divided into series. The original numbering of nos. 1-4 is given in parenthesis following contents.

Boletim do Museu Paraense Emílio Goeldi.

At head of title, vols. 11-12: Instituto Nacional de Pesquisas da Amazônia.