Nexus 5 : Essays in German Jewish Studies : Moments of EnlightenmentRuth von Bernuth, Eric Downing, William C. Donahue, Martha B. Helfer · First published 2021Open the Tome
Enforcement economics in air pollution controlPaul B. Downing, William D. Watson, United States. Environmental Protection Agency. Office of Research and Development · First published 1973Open the Tome
