Title: Pacific ocean spheres of influence
Material:  
Remarks: Made during the administration of Pres. Benjamin Harrison. Mentioned by Rizal in his Article "The Philippines a Century Hence", made in London in 1889.

Title: Plan for modern college (front and side views)
Material:  
Remarks: Owned by Dr. L. L. R, apparently in Paris, 1872

Title: The lake district of central Luzon
Material:  
Remarks: Mentioned in "Memorias de un Estudiante de Manila", 1872.

Title: Plan of the waterworks in Dapitan
Material:  
Remarks: Made with Father Sanchez, in Dapitan, 1895