title: Secular trends in genetic structure: an isonymic analysis of Northumberland parish records.
mesh_terms: D002977:Clergy; D004739:England; D005260:Female; D005826:Genetics, Medical; D005828:Genetics, Population; D049670:History, 17th Century; D049671:History, 18th Century; D006801:Humans; D007178:Inbreeding; D008297:Male; D008393:Marriage; D011996:Records