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