By Bell, E. T.
By Patilla, Peter
By Nesher, Pearla
By Greenwood, Angela
By Kittel, Charles
By Broadbent, Paul
By Lindsay, Sarah
By Parramore, Keith, Stephens, Joan
By Althans, Stanley, Dent, Margery
By School Mathematics Project
By Goldie, Sophie, Whitehouse, Susan, Hanrahan, Val, Moore, Cath, Muscat, Jean-Paul, Pledger, Keith
By Cohen, Jack S., Stewart, Ian
By Kaplan, Ellen, Robert
By Tierney
By Shapiro, Samuel S., Gross, A.J.
By Kogelman, Stanley, Heller, Barbara R.
By Booth, Dexter J.
By Finney, Ross L., Thomas, George B.
By Washington, Allyn J.
By Giannasi, F., Low, R.
By Dean, Neville
By Dossey, John A., Otto, Albert D., Spence, Lawrence E., Vanden Eynden, Charles
By Stein, Cliff L, Drysdale, Robert, Bogart, Kenneth
By Johnsonbaugh, Richard
By Redfern, E.J.
By Chan, Fausto
By Nolan, Melvyn
By K.A. Stroud, Dexter J. Booth