Man at work : the Eckhart G. Grohmann Collection at Milwaukee School of Engineering : subset volumes I-V, a series of subset books highlighting different themes of the Man at Work
Vol. 1. Physicians, quacks and alchemists. -- v. 2. Iron and steel production. -- v. 3. Agriculture, textiles and tanning. -- v. 4. Construction. -- v. 5. Craftsmen