The paper presents results from a recent, simple search of the term "adoption" in the anthropological database of the online Human Relations Area Files
Thornhill tracked information on mating and marriage rules in the ethnographies of 129 societies -- from the 16th-century Incas to the 20th-century Vietnamese -- stored at the Human Relations Area Files
in New Haven, Conn.
Ember and Melvin Ember of Human Relations Area Files
, a privately funded research organization in New Haven, Conn.