This book contains St. Isidore's work translated from the Latin by Priscilla Throop with an index. Saint Isidore of Seville (c.560-636) was Archbishop of Seville for more than three decades and has the reputation of being one of the great scholars of the early Middle Ages. This translation is based on Wallace M. Lindsay’s edition of Isidori Hispalensis episcopi etymologiarum sive originum (Oxford, 1911). For his edition, Lindsay used all available 8th century manuscripts and fragments, as well as some from the 9th century.