"An kaaldawan ni Jose Rizal", asin ihinilwas sa atubangan kan bantayog ni Rizal sa Legazpi.

by Del Prado, Mariano Goyena
Published 1951

"Our Bicol land, paper read before the Albay National High.

by Del Prado, Mariano Goyena
Published 1949

"El volcan Mayong de Albay".

by Del Prado, Mariano Goyena
Published 1949

Address at the necrological service in memory of Mariano Locsin, Legazpi City.

by Del Prado, Mariano Goyena
Published 1948

"This, our beautiful Bicoland", lecture delivered at the Albay Normal School Hall.

by Del Prado, Mariano Goyena
Published 1948

Message read by Mayor Imperial, during the program for the unveiling ceremonies for the monument dedicated to the unknown Filipino Heroes.

by Del Prado, Mariano Goyena
Published 1946

Discurso del Governor Saturnino Benito.

by Del Prado, Mariano Goyena
Published 1941

[Trip to Hong Kong].

by Del Prado, Mariano Goyena
Published 1929

"Important events and dates in the Bicol history".

by Del Prado, Mariano Goyena
Published 1927

"Ordinance to provide license taxes and fees on fisheries in Tabago, Albay".

by Del Prado, Mariano Goyena