Content: Coal microstructure and pyrite distribution / Raymond T. Greer -- The determination of forms of sulfur in coal and related materials / John K. Kuhn -- Direct determination of organic sulfur in raw coals / B. Paris -- An overview of coal preparation / J.A. Cavallaro and A.W. Deurbrouck -- Chemical comminution : a process for liberating the mineral matter from coal / Philip H. Howard and Rabinder S. Datta -- Use of the flotation process for desulfurization of coal / F.F. Aplan -- A comparison of coal beneficiation methods / Seongwoo Min and T.D. Wheelock -- Dry table-pyrite removal from coal / D.C. Wilson -- Magnetic desulfurization of some Illinois Basin coals / Haydn H. Murray -- Desulfurization of coals by high-intensity high-gradient magnetic separation: conceptual process design and cost estimation / C.J. Lin and Y.A. Liu -- Applicability of the Meyers process for desulfurization of U.S. coal (a survey of 35 coals) / J.W. Hamersma, M.L. Kraft, and R.A. Meyers -- Coal desulfurization test plant status, July 1977 / L.J. Van Nice, M.J. Santy, E.P. Koutsoukos, R.A. Orsini, and R.A. Meyers -- Oxidative desulfurization of coal / Sidney Friedman, Robert B. Lacount, and Robert P. Warzinski -- Sulfur removal from coals : ammonia/oxygen system / S.S. Sareen -- Desulfurizing coal with alkaline solutions containing dissolved oxygen / C.Y. Tai, G.V. Graves, and T.D. Wheelock -- Hydrothermal coal process / Edgel P. Stambaugh -- Coal desulfurization by low-temperature chlorinolysis / George C. Hsu, John J. Kalvinskas, Partha S. Ganguli, and George R. Gavalas -- Removal of sulfur by pyrolysis, hydrodesulfurization, and other gas-solid reactions / Desulfurization and sulfidation of coal and coal char / G.J.W. Kor -- Fluid-bed carbonization/desulfurization of Illinois coal by the clean coke process : PDU studies / N.S. Boodman, T.F. Johnson, and K.C. Krupinski -- Hydrodesulfurization of coals / Donald K. Fleming, Robert D. Smith, and Maria Rosario Y. Aquino -- Improved hydrodesulfurization of coal char by acid leach / Ann B. Tipton -- Coal desulfurization during gaseous treatment / Edmund Tao Kang Huang and Allen H. Pulsifer -- Desulfurization of coal in a fluidized-bed reactor / G.B. Haldipur and T.D. Wheelock.