By Williamson, Duncan, Linda
By School Mathematics Project
By Gibson, Rex
By Merrills, J. G.
By Lambert, David
By Copeland, Edward, McMaster, Juliet
By G. Kitson Clark
By Unidentified Author
By Muhlberger, Detlef
By Unknown
By Bruce, James P., Lee, Hoesung, Haites, Erik F.
By Moellendorf, Darrel
By Corporate Author Small Arms Survey, Geneva
By Rithmire, Meg
By Pangallo, Michelle
By Lucas, Peter W.
By Stevens, C. Edward, Hume, Ian D.
By Jones, Stephen
By H F JOLOWICZ
By Courtenay, Molly, Griffiths, Matt, Crown, June
By Various Authors
By Barrow, C. J.
By Rabadan, Raul
By Tribe, Michael A., Eraut, Michael R., Snook, Roger K., Tallan, Irwin
By Bynon, Theodora
By Lapidus, Ira M.
By Smith, Dwight Moody
By Schmidt-Nielsen
By Abrahamian, Ervand