The Tayabas chronicles the early years (1886-1907) - Berthelsen, Nita Umali; Cardenas, Karen Berthelsen (Pasig City Anvil Publisher, 2002)
Based on Fragmentsos de mi juventud teh original memoirs in Spanish of Ma. Concepcion Herrera Vda. de Umali.
Keywords: Businesswomen -- Philippines -- Biography; Copra industry -- Philippines -- History -- 19th century