In 1974, Medina rediscovered a manuscript of Francisco Balagtas' 19th century play Orosman at Zafira at the Philippine National Library after it was presumed lost for over a century.
[1] Aside from his published works, which include: Pintig (1969), Gantimpala (1972), Confrontations, Past and Present in Philippine Literature (1974), The Primal Passion, Tagalog Literature in the Nineteenth (1976), Francisco Baltazar's Orosman at Zafira (1991) and Moog and Alaga (1993), Medina has been awarded for his essays and short stories.
He has presented various papers at international conferences in Japan and Thailand.
Aside from being inducted into the Don Carlos Palanca Memorial Awards Hall of Fame in 1995, he was honored with the South East Asia Writer Award in 1994 (SEAWRITE) and A Gawad Pambansang Alagad ni Balagtas Ward for Literary Criticism.
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