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1
International Symposium on the Devonian System, Calgary, 1967; [papers]
Calgary, Alberta Society of Petroleum Geologists 1967

Conference Proceeding Book
2
A field guide to selected areas of the Devonian of south-west England : International Symposium on the Devonian System (P.A.D.S. 78), September 1978 /
[s.l.] : The Palaeontological Association, 1978

Conference Proceeding Book
4
Devonian shales in south-central Pennsylvania and Maryland /
by Dennison, John Manley, 1934-
[S.l. : Harrisburgh, Pa. : s.n.] ; distributed by: Field Conference of Pennsylvania Geologists, 1979

Conference Proceeding Book
5
Stratigraphy, sedimentology, and structure of Silurian and Devonian rocks along the Allegheny Front in Bedford County, Pennsylvania, Allegheny County, Maryland, and Mineral and Grant Counties, West Virginia.
Harrisburg, Pa., Bureau of Topographic and Geologic Survey, 1972

Conference Proceeding Book
6
Disconformities and weathered pyroclastics : tools for determining age relationships of the Devonian oil shales of eastern North America /
by Conkin, James Elvin
Louisville, Ky. : Department of Geology, University of Louisville, 1987

Conference Proceeding Book
7
Late Devonian New Albany-Ohio-Chattanooga shales and their interbasinal correlation in Indiana, Ohio, Kentucky, and Tennessee /
by Conkin, James Elvin
Louisville, Ky. : Department of Geology, University of Geology, 1985

Conference Proceeding Book
8
The Devonian system : a Palaeontological Association International Symposium /
London : Palaeontological Association, 1979

Conference Proceeding Book
9
Structure and Silurian-Devonian stratigraphy of the Valley and Ridge Province, Central Pennsylvania : guidebook for the 38th annual field conference of Pennsylvania geologists, October 5-6, 1973 /
Harrisburg, Pa. : Distributed by Bureau of Topographic and Geologic Survey, Dept. of Environmental Resources, 1973

Conference Proceeding Book
10
Stratigraphy and structure of Upper and Middle Devonian rocks in northeastern Pennsylvania.
[Harrisburg] Pennsylvania Geological Survey, 1963

Conference Proceeding Book
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