No. 23. Bohol.

1899

U.S. Coast and Geodetic Survey

1:363k

[Islas filipinas - Bohol]

1900

Algué, P. José

No. 19. Leyte.

1899

U.S. Coast and Geodetic Survey

1:660k

[Islas filipinas - Cebú]

1900

Algué, P. José

[Islas filipinas - Leyte]

1900

Algué, P. José

Surigao Strait and Leyte With Parts of Samar and Mindanao

1925

1:400k

Surigao Strait and Leyte With Parts of Samar and Mindanao

1913

1:400k

Surigao Strait and Leyte With Parts of Samar and Mindanao

1909

1:400k

Surigao Strait and Leyte With Parts of Samar and Mindanao

1909

1:400k

No. 22. Cebu.

1899

U.S. Coast and Geodetic Survey

1:642k