Analysis of information sources in references of the Wikipedia article "Холиок (Массачусетс)" in Russian language version.
In 1879 Mr. Ellsworth left the firm of Davis & Ellsworth to become principal assistant and head draftsman for D. H. & A. B. Tower, of Holyoke, who were the largest firm of paper mill architects in the country at that time, and who designed no less than twenty paper mills in the city of Holyoke alone
One building alone is 1000 feet long—the largest silk mill, under one roof, in the world
