William Spackman

Report of Research on Pennsylvania's Coal Resources IPR-31B

H. B. Charmbury, H. L. Lovell, C. L. Hosler, 1966 .

The characteristics of American coals in relation to their conversion into clean-energy fuels

H. L. Lovell, William Spackman, Alison Davis, 1982 .

SECTION OF GEOLOGY AND MINERALOGY: THE MACERAL CONCEPT AND THE STUDY OF MODERN ENVIRONMENTS AS A MEANS OF UNDERSTANDING THE NATURE OF COAL*

William Spackman, W. Spackman, 1958 .