- Franklin's Road Map of the "Greater" Delaware Valley (City Maps-USA) by Franklin Maps, 1993-01
- Comprehensive development plan II, city of Newark, Delaware: Adopted by City Council on June 22, 1987 by Roy H Lopata, 1987
- Effects of proposed dikes and sediment traps on shoaling and currents in Tidewater's Delaware City channels: Hydraulic model investigation (Miscellaneous ... Army Engineer Waterways Experiment Station) by William H Bobb, 1965
- INAUGURAL GREETINGS FOR DANIEL S. FRAWLEY, MAYOR OF THE CITY OF WILMINGTON, DELAWARE. by David Hudson, 1985
- Flood insurance study : city of Wilmington, Delaware, New Castle County (SuDoc FEM 1.209:100028)
- Industries of Delaware: Historical and descriptive review : cities, towns and business interests, institutions, manufacturing and commercial advantages by Richard Edwards, 1880
- Transit feasibility study for the city of Delaware and Delaware County, Ohio by Patricia Moore, 1977
- The profile of a city: Milford, Delaware 1975 by Edward C Ratledge, 1975
- The Delaware River Bridge bonds of the city of Philadelphia and the Sinking Funds for their retirement by Robert J Patterson, 1934
- Analysis of mosquito-trap collections at Delaware City and Lewes, Delaware, for the twenty-year period, 1932-1951 by Richard F Darsie, 1951
- Delaware City quadrangle (DEC) (Delaware Geological Survey atlas) by Nenad Spoljaric, 1983
- Rand McNally Wilmington, Delaware, city map: Map : including Arden, Avondale, Bellefonte, Brackenville ... Delaware state map by Seeger Map Co, 1997
- City and suburban families' preferences and buying habits for frying chicken (Bulletin / University of Delaware Agricultural Experiment Station) by Raymond Claris Smith, 1959
- The personnel system of the City of Milford, Delaware by Marq R Ozanne, 1974
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