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The map is titled, 鈥淔ree African American Householders in Philadelphia, 1789-1791鈥� and is one of the hundreds that have been developed by Sivitz and Smith as part of their project 鈥淢apping Historic Philadelphia鈥� that examines the lives of Philadelphians in the eighteenth century.

The 鈥淢apping Historic Philadelphia,鈥� project, which began in 2009 when Sivitz was a graduate student at MSU, recovers the lives of Philadelphians living in the nation鈥檚 first capital during the last decade of the eighteenth century. The project examines topics and themes ranging from race and slavery to the deadly yellow fever epidemic of 1793. People from all walks of life, not just Philadelphia鈥檚 elite politicians and professionals, appear on the project鈥檚 diverse maps including laborers, women, carpenters, bread bakers, boarding house owners and tailors.

The maps are produced using Geographic Information Systems (GIS) technology, which allows for the creation of graphical representations of Philadelphia. First, detailed demographic, economic and occupational information about more than 20,000 inhabitants in Philadelphia is drawn from city directories, tax lists and censuses and then computerized. Then, the GIS software generates maps, enabling the visualization of early American history in new ways. The 鈥�Mapping Historic Philadelphia鈥� project has created the first visual representation of an 18^th-century American urban center.

Sivitz鈥檚 research focuses on early American, digital history, slavery and race, print culture and dissemination of knowledge in the 18^th century. Smith鈥檚 research focuses on race, class, slavery and disease in early America.

More maps can be viewed at , as well as .

For more information, contact Sivitz at 282-2379 or sivipaul@isu.edu