Clasificación de la Biblioteca del CongresoZ1207.E22
⮑ Z1201-4980. National bibliography
⮑ Z1201-1946. America
Obras Selectas (2,334 en total)
- U.S. Military Records: A Guide to Federal & State Sources, Colonial America to the Present por James C. Neagles
- New Englanders in the 1600s: A Guide to Genealogical Research Published Between 1980 and 2005 por Martin E. Hollick