Sources:1. AU Souvenir Program: Unveiling ceremonies in connection with the 87th birth anniversary of the late founder and President Florentino Cayco of Arellano University and 89th birth anniversary of his late wife Elisa Esquerra Cayco. 1979.2. Florentino Cayco Sr.: Outstanding Educator, 75th Diamond Jubilee sparking bright, 2013.3. Maroon and Gold, 1960Â