No. 27. Mindanao Oriental.

1899

U.S. Coast and Geodetic Survey

1:2m

Surigao Strait and Leyte With Parts of Samar and Mindanao

1925

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. 19. Leyte.

1899

U.S. Coast and Geodetic Survey

1:660k

Carta General Del Archipielago Filipino

1897

1:754k

Partie des Iles Philippines / [dressée par Ph. Vandermaelen]

1827

[Bruxelles : P.M.G. Vandermaelen, Éditeur]

[Islas filipinas - Mindanao oriental]

1900

Algué, P. José

[Islas filipinas - Leyte]

1900

Algué, P. José

[Islas filipinas - Mindanao Joló]

1900

Algué, P. José