Diego Silang - Santos, Agripino P. (1997)
At end: Leonor P. Ricardo, Laoag, Ilocos Norte.
In Iloko.
Note of donor: The children of Agrifino Santos claim that thi piece was written by their father. ricardo used to be just an active director of zarzuelas in Laoag, according to them and also other informants I interviewed. Of course, it's possible that Ricardo also wrote plays, they observed.
Previously owned by Mario G. R. Rosal.
Typescript of libretto.