1.
 |  | Title: Geology, Geochemistry, and Tectonostratigraphic Relations of the Crystalline Basement Beneath the Coastal Plain of New Jersey and Contiguous Areas) by Richard A. Volkert, Avery Ala Drake, Peter J. Sugarman, New Jersey ISBN: 9996513556 Pub. Date: June, 1996
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2.
 |  | Title: Geologic map of the Catasauqua quadrangle, Northampton and Lehigh counties, Pennsylvania (SuDoc I 19.76:96-700) by Avery Ala Drake ISBN: B00010ZHWU Publisher: U.S. Dept. of the Interior, U.S. Geological Survey Pub. Date: 1996
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3.
 |  | Title: Geologic Studies in New Jersey and Eastern Pennsylvania by Avery Ala Drake ISBN: 9996327892 Publisher: United States Geological Pub. Date: 01 June, 1995 List Price: $55.01 Amazon.com Price: $55.01 |
4.
 |  | Title: Metamorphic Rocks of the Potomac Terrane in the Potomac Valley of Virginia and Maryland by Avery Ala Drake ISBN: 0875905870 Publisher: American Geophysical Union Pub. Date: December, 1989 List Price: $13.00 Amazon.com Price: $13.00 |
5.
 |  | Title: Geology, Geochemistry, and Tectonostratigraphic Relations of the Crystalline Basement Beneath the Coastal Plain of New Jersey and Contiguous Areas by Richard A. Volkert, Avery Ala Drake, Peter J. Sugarman ISBN: 9995718545 Pub. Date: 01 November, 1995
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