Vietnam, no regrets one soldier's "tour duty" von Watkins, J. Richard

Energy and mineral resource systems an introduction von Tapp, B. A., Watkins, J. R.

Modern Wiring Practice von Steward, William E., Watkins, J.

Ground Water Hydrology von Watkins, J. R.

The development of the american rail and track, as illustrated by the collection in the U. S. National Museum von Watkins, J. Elfreth 1852-1903

Report on the Section of Steam Transportation in the U. S. National Museum for the Year ending June 30, 1886 Smithsonian Institution. United States National Museum. By J. Elfreth W... von Watkins, J. Elfreth

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The fungal colony Symposium of the British Mycological Society held at the Scientific Societies Lecture Theatre, in London, September 1997

“… A.D.M. Rayner, Z.R. Watkins, J.R. Beeching …”
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