Sr. Rico y Sinovas has published an interesting article on ironwork in the "Almanaque de el Museo de la Industria," 1872. He gives the names of the following artists who were famous in this industry. Aguas, Juan; he worked at Guadix in 1735. Albacete, signed Cel, 18th century. Ambrosio, worked at Mora in the 18th century. Arbell, Ramon, worked at Olot, Cataluña, in the 17th century. Beson, Manuel, worked at Madrid. Castellanos, el _viejo_, worked at Albacete in 1766. Castellanos, el _mozo_, worked at Albacete in the 18th century. Castello, Gregorio, 16th century. Cerda, Miguel de la, worked at Madrid and Segovia in 1590. Diaz, Pedro, worked at Albacete in the early half of the 18th century. Escobar, Cristoval, 16th century. Escobar, Juan, 17th century. Fernandez Manso de Payba, Jose, master cutler of the 18th century. Garcia de la Torre, Teodoro, 18th century. Garijo, master cutler of Albacete; he worked in 1771. Gomez, Mateo, worked at Albacete in 1659. Grande, Juan, 1643. Gutierrez, worked at Chinchilla, 1701. Herrezuelo, el _viejo_, worked at Baeza in 1643. Herrezuelo, el _mozo_, worked at Baeza in 1643. Horbeira, Angel, worked at Madrid in the second half of the 17th century. Lallave, Juan, locksmith of Madrid in 1820. Leon, worked at Albacete early in the 18th century. Llorens, Pablo, worked at Olot in 1699. Moro, worked at Madrid late in the last century. Ramirez, Juan, worked at Mexico in 1590. Romero, worked at Albacete in 1769. Rosel, worked at Mora. San José, worked at Jaen in 1673. Selva, Juan, worked at Cartagena in 1780. Segura, worked at Mora towards the end of the last century. Sierra, Juan, worked at Albacete in 1771. Sosa, Madrid, 17th century. Torres, Albacete, 17th century. Vicen Perez, worked at Albacete in 1674. Vilarosa, Antonio, worked in the 17th century. Vicen Perez, Julian, worked at Albacete in 1710. Zervantes, Francisco, Toledo, 17th century. The following artists' names may be added; they consist of master cutlers of Madrid, and are to be found in a bundle of original documents at the Academy of San Fernando. Alcocer, Francisco, 1635. Baltanos, Lucas de, 1611. Castillo, Rafael del, 1625. Cuenca, Francisco de, 1613. Fuente, Pedro de la, worked at Mora and Madrid in 1628. Garcia, Bartolomé, 1642. Gonzalez, Marcos, 1624, 1625. Heras, Antonio de las, 1611. Luzon, Andres de, 1611. Martin, Alonso, 1643. Martinez de Machuca, Pedro, 1611. Morel, Alonso, 1643. Rodriguez de Quiñones, Pedro, 1611. Torres, Antonio de, 1622. Valsarias, Lucas de, 1611. The following names of artists are given in Calomarde's "Historia Politica de Aragon." Ferrara, Andres, Zaragoza, 16th century.