1911 Encyclopædia Britannica, Volume 5… (1911)
“ The distinctive industry is the manufacture of mathematical and musical instruments. There is trade in the white wine of the neighbourhood, and in sheep, cattle and agricultural products. Gypsum, millstone and paving-stone are quarried in the vicinity. Château-Thierry was formerly the capital of the district of Brie Pouilleuse, and received the title of duchy from Charles IX. in 1566. ”
