Vershbow, Arthur E.McCorison, Marcus A.2020-05-031993McCorison, Marcus A., and Arthur E. Vershbow. 1993. "Session three: Discussion" in "Rare book and manuscript libraries in the twenty-first century, Part two, Session three: Dealing collecting, and the marketplace". Harvard Library Bulletin 4 (2), Spring 1993: 107-112.0017-8136http://nrs.harvard.edu/urn-3:HUL.InstRepos:42663144en-US"Session three: Discussion" in "Rare book and manuscript libraries in the twenty-first century, Part two, Session three: Dealing collecting, and the marketplace"Journal Article2020-05-03