By Jones, Burton Wadsworth
By Rainville, Earl D., Bedient, P.E.
By Lambrey, M.
By Goin, Coleman J., Olive B.
By Stiles, Karl A., etc., Boolootian, Richard A.
By DeGarmo, E.Paul, Canada, John R.
By Streitwieser, Andrew, Heathcock, Clayton H.
By Burns, George W.
By Glaab, Charles N., Brown, A.Theodore
By Bilenkin, Dmitri, Bouis, A.W.
By Ross, Sheldon M.
By Fox, Alan
By Coser, Lewis A., Rosenberg, Bernard
By Maron, Samuel H., Lando, Jerome B.
By Baum, Stuart J., Scaife, Charles
By ISAAC ASIMOV
By Bidwell, R.G.S.
By Paliouras, John D.
By Janelle, Pierre
By Godechot, Jacques
By Levine, Erwin L., Cornwell, Elmer E.
By Chang, Raymond
By Walpole, Ronald E.
By Strickberger, Monroe W.
By Singer, Robert N.
By Hunter, W.D.Russell-
By R.G.S. Bidwell