Description: Used to list the book(s), article(s), serial(s), and/or machine-readable data file(s)--if any--that served as the source(s) of the data collection.
Example(s):
<dataSrc> "Voting Scores." CONGRESSIONAL QUARTERLY ALMANAC 33 (1977), 487-498.</dataSrc>
<dataSrc>United States Internal Revenue Service Quarterly Payroll File</dataSrc>