By Dennis Worthen (Lloyd Scholar, Lloyd Library, Cincinnati, Ohio, USA)
By Salder, J., McElroy, Mr Mark
By Harwood, Peter, Perkins, Janice
By Brindley, Keith
By M. Prutton (Professor of Physics, Professor of Physics, University of York)
By H. Zoebelein
By Sherry, Chris, Smiles, Louise, Mitchell, Sandra, Daniels, Ann
By Lewis Dartnell
By B. Bull
By Robert Emmet Hernan
By Shannon Rose Riley, Lynette Hunter
By Alan Townshend
By Brian S. Everitt, Professor Til Wykes
By Author M. Unknown
By Food and Drug Administration
By Glenn D. Considine
By M.F. Lappert (University of Sussex, UK)
By N.Irving Sax, Richard J. Lewis
By Mary Fieser
By Clifton E. Meloan (Kansas State University, Manhattan, Kansas)
By Robert L. Grob (Villanova University, Pa, USA), Eugene F. Barry (University of Masschusetts, Lowell
By W.E. Clason
By Mary Fieser, Mary Fieser (Bryn Mawr College; Harvard University), Janice G. Smith (Cornell University; Harvard University; Mount Holyoke College)
By George Lunn
By Mary Fieser, Mary Fieser (Harvard University)
By Michael B. Smith (University of Connecticut), Tse-Lok Ho (National ChiaoTung University)
By Mary Fieser (Harvard University)