The Cemetery Research Group runs two events a year: in May and in November. Follow the links and send in an abstract
History: Broad sweep United States
Eggener, K. 2010
Cemeteries, Library of Congress Visual Sourcebooks in Architecture, Design and Engineering: New York.
Sloane, D. 1995
The Last Great Necessity: Cemeteries in American History, Baltimore, MD: John Hopkins University Press.