1. NMU drive in Canal Zone pays off for 4,000 members.

2. Organización de una guardería infantil: guardería infantil de Rainbow City.

3. Proyecto de acta y versión, . , 3 de mayo; 25, 31 de julio de 1967 : discusión generales sobre documentos de fecha 20 de marzo de 1967 sobre Canal a esclusas y Canal a Nivel.

4. Datos para la historia de la independencia del istmo, proclamada el 3 de noviembre de 1903.

5. The conquest of the Isthmus: the men who are building the Panama Canal their daily lives, perils, and adventures.

6. Directorio General de la Ciudad de Panamá y reseña histórica, geográfica, &, del Departamento.

7. The hero of Panama; a tale of the great canal.

8. Ancient and modern engineering and the Isthmian canal.

9. Panama roughneck ballads.

10. The Americans in Panama.

11. Panama and what it means.

12. Convención celebrada entre la República de Panamá y los Estados Unidos de América, para la construcción de un canal para buques a través del Istmo de Panamá, para comunicar los océanos Atlántico y Pacífico.(Tratados públicos ; 1)

13. Investigation of Panama Canal matters: hearings before the committee on Interoceanic Canals of the United States Senate in the matter of the Senate resolution adopted January 9, 1906, providing for an investigation of matters relating to the Panama Canal, Vol.IV

14. Panamá y el Canal, con ciento cuarenta y una ilustraciones.

15. History of the Panama Canal : its construction and builders.

16. The Panama Canal and the commerce of the Caribbean.

17. The Hay Pauncefote Treaty and the Panama Canal.

18. Panama Canal tolls; the obligations of the United States.

19. Panama and the canal to day: an historical account of the canal project from the earliest times with special reference to the enterprises of the French company and the United States, with a detailed description of the waterway as it will be ultimately constructed: together with a brief history of the country and the first comprehensive account of its physical features and natural resources.

20. Panama pictures: nature and life in land of the great canal.