In 1847, the Spanish scholar and Hebraist Luis de Usoz y Rio (1805-1865) embarked on a monumental task: compiling and updating the writings of the sixteenth-century Spanish reformers. This work, known as The Old Spanish Reformers (Los Reformistas Antiguos Espanoles), spanned twenty-four volumes, with the final volume published posthumously in 1880. Despite its significance, this collection remained largely inaccessible to modern readers and had never been fully translated into English. Until now. For the first time, the Cantaro Institute proudly presents The Old Spanish Reformers in modern English, with additional volumes expanding the original collection. Dive into this historical treasure and uncover the riches of Spanish Protestantism, brought to life for a new generation of readers.