_Genealogy of European Sovereigns._
Sir,--Perhaps the following books will be of service to your
correspondent Q.X.Z., viz.:--
"A Genealogical History of the present Royal Families of Europe,
the Stadtholders of the United States, and the Succession of the
Popes from the 15th century, &c. &c., by the Rev. Mark Noble."
London, 1781.
"Historical and Genealogical, Chronological, and Geographical
Atlas, exhibiting all the Royal families in Europe, their origin,
Descent, &c., by M. Le Sage." London, 1813.
"Complete Genealogical, Historical, Chronological, and Geographical
Atlas, &c., by C.V. Lavoisne." Philadelphia, 1821.