The Origin and Organization of Coal || The Origin and Organization of CoalEdward Charles Jeffrey · Memoirs of the American Academy of Arts and Sciences (New Series) · 1924

Coal Geology (Thomas/Coal Geology) || Origin of CoalThomas, Larry · 2012

New Trends in Coal Science || The Origin of CoalsYürüm, Yuda · 1988

Trace Elements in Coal || Origin of trace elements in coalSwaine, Dalway J. · 1990

Coal petrology and the origin of coal macerals: a way ahead?Andrew C Scott · 2002

Coal and Peat Fires: A Global Perspective || Coal Formation and the Origin of Coal FiresKim, Ann G. · 2011

Occurrence, abundance and origin of minerals in coals and coal ashesStanislav V. Vassilev; Christina G. Vassileva · 1996

The geochemistry of coal. Part I. The classification and origin of coalSchobert, Harold H. · Journal of Chemical Education · 1989