By Leuske, G.
By Robert C. Lewis, R.E. Chambers, Harsha E. Chacko
By Joe Jeff Goldblatt
By Philip Wasserman
By Martin N. Marger
By N.Irving Sax
By Larry Zimmerman, Glen Hart
By Gary Holleman
By Allen Hurlburt
By Mark S. Merkow
By Douglas W. Lewin
By Barry Spain & M. G. Smith
By Manufacturing Chemists Association
By Knight, Austin Melvin, Noel, John V.
By Nieuwhoff, Constance
By Quennell, Albert M.
By Marr, George, Rockett, Bernard W.
By Ivison, John
By Redman, Jane
By Curwin, Jon, Slater, Roger
By R J Gillespie
By Paul R Halmos
By Glasser, L.S.Dent
By Jeffrey, Alan
By Steadmen, R.
By Spencer, Anthony James Merrill, etc.
By Weinberg, Gerald M.
By Nanry, Charles
By Itten, Johannes, Birren, Faber
By Hess, Eckhard H.