Not racially assigned. Should be ssp. sylviella based on range but appearance from photos is very different to that form, with buff-yellow forecrown, yellow-washed grey underside and absence of any buff or cinnamon tones.
bird-seen:yes
playback-used:no
The birds of North America
New York, U.S.A. :Published under the auspices of the Natural Science Association of America,1895, c1888.
biodiversitylibrary.org/page/41959155