Amish demography.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002140:California; D002648:Child; D002675:Child, Preschool; D003710:Demography; D005006:Ethnicity; D005260:Female; D005828:Genetics, Population; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008393:Marriage; D008875:Middle Aged; D009518:New York; D009790:Occupations; D009820:Ohio; D012621:Seasons; D012737:Sex Factors