http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Treasury notes of November 30, 1987, series AC-1987
"Supplement to Department circular, public debt series--no. 33-85 Treasury notes, series AC-1987"--P. 4.
Department circular, public debt series ; no. 33-85