Estos libros relacionan la historia de gran parte de los apellidos de familias establecidas en Cuba a partir de su descubrimiento. De cada familia desarrolla, en lo posible, su árbol genealógico hasta fines del siglo XX. El volumen IX tiene un índice alfabético de familias comprendidas en los tomos I al IX. These books tell the history of a large part of the surnames of families that established themselves in Cuba from its discovery in 1492 on. For each family the author develops, as far as possible, a genealogical tree until the end of the 20th century. Volume IX contains an alphabetical index of the families depicted in volumes I through VIII as well as an index for volume IX.