"Leather industry and trade." . . . . "Industria del cuero Historia." . . "Sciences." . . . . "Tanning in the United States to 1850 a brief history"@en . . . . . . . . . "Tanning in the United States to 1850 : a brief history$dPeter C. Welsh"@en . . . . "Tanning in the United States to 1850" . . "Tanning in the United States to 1850"@en . "This bulletin sketches the history of tanning and the tanner's arts as well as the history tanning in the United States." . . . . . . . . . . . "Tanning in the United States to 1850 : a brief history. Peter C. Welsh" . . . . "Tanning in the United States to 1850 : a brief history" . "History" . "History"@en . . . . . . . . "Tanning in the United States to 1850: a brief history"@en . . . . "Tannage. Histoire. Etats-Unis." . . "Tanning History." . . "Smithsonian Institution." . . "United States." . . "Museum of History and Technology." . . "Cuir Usines." . . "Tanning." . . "Leather industry and trade United States." . .