| New Catalysts for the Indirect Liquefaction of Coal. FinalTechnical Report. |
| New Catalysts for the Indirect Liquefaction of Coal. Quarterly Technical Report, November 1, 1982-January 31, 1983. |
| New Catalysts for the Indirect Liquefaction of Coal. Quarterly Technical Report, February 1, 1983-April 30, 1983. |
| New Catalysts for the Indirect Liquefaction of Coal. Third Quarterly Technical Report, February 1-April 30, 1982. |
| New Catalysts for the Indirect Liquefaction of Coal. Second Quarterly Technical Report, November 1, 1981-January 31, 1982. |
| New Catalysts for the Indirect Liquefaction of Coal. Second Annual Technical Report, August 1, 1981-July 31, 1982. |
| New Catalysts for the Indirect Liquefaction of Coal. First Quarterly Technical Report, August 1-October 31, 1981. |
| New Potentially Useful Catalysts for the Indirect Liquefaction of Coal. Final Report for Period to December 31, 1979. |
