Letter Book - A Variety of Matters Discussed Including Family Matters (Pages 119 through 434 are blank. On page 461, a letter from Alex. H. Tiers to Rothwell dated October 16 begins, “The affairs of the American Sulphur Company are now of such importance that all those interested shall consequently take a more active part in their direction….”), 1888 February 25-1891 January 12

Letter Book - A Variety of Matters Discussed Including Family Matters (Pages 119 through 434 are blank. On page 461, a letter from Alex. H. Tiers to Rothwell dated October 16 begins, “The affairs of the American Sulphur Company are now of such importance that all those interested shall consequently take a more active part in their direction….”), 1888 February 25-1891 January 12, Box: 1, Folder: 2. Tiers-Frasch Collection, 00-31. Science History Institute Archives. https://sciencehistory.libraryhost.com/repositories/3/archival_objects/43316 Accessed November 24, 2024.