Luther's Two Catechisms: Explained By Himself, In Six Classic Writings is a book written by Martin Luther in 1908. The book is a collection of six classic writings by Luther, in which he explains his two catechisms. The two catechisms are the Small Catechism and the Large Catechism, which were written by Luther in the 16th century. The Small Catechism is a brief summary of Christian doctrine, while the Large Catechism is a more detailed explanation...