STAINED GLASS. [Georges BONTEMPS (1799–1883), glass artist]. 2 letters addressed to him, 1846–1847. Ferdinand Charles Léon de LASTEYRIE (1810–1879), scholar, art historian. Letter from the author, Paris, March 31, 1846; 2½ pages, small quarto. Regarding Bontemps’s publication on glass painting [Glass Painting in the 19th Century. Have the Secrets of This Art Been Rediscovered? Some Reflections on This Subject for Scholars and Artists]: “What I can tell you is how much I enjoyed reading this work, and how pleased I was to see that my purely theoretical views were shared and frequently corroborated by you, Sir, who combine theory with a very special kind of experience and practical knowledge.” As for his own *History of Glass Painting*, it is not on hold: “The 22nd installment appeared this month, and the 23rd is in press”… Pierre DUMON (1797–1870), Minister of Public Works. L.S., Paris, April 20, 1847; 1 p., in-4, on Ministry of Public Works letterhead. “I have the honor of informing you that the commission established to judge the open competition for the restoration of the stained-glass windows of the Sainte-Chapelle has selected you to participate in the competition.” He sends him a copy of the program and outlines the procedures…