Vintage American and European Wrist Watch Price GuideSherry Ehrhardt, Roy Ehrhardt, Joe Demesy, Ken Specht, Peter Planes, David A. Mycko · First published 1988Open the Tome
Vintage American & European wrist watch price guideSherry Ehrhardt, Peter Planes · First published 1983Open the Tome
Proceedings of the Robert A. Welch Foundation Conferences on Chemical Research XVIII. Immunochemistry.Sherry Ehrhardt, Roy Ehrhardt, Joe Demesy, Ken Specht, Peter Planes, David A. MyckoOpen the Tome
