Columbia subject headings:
Earls, Catharine Thomas, -1835.
Harvard subject headings:
Earls, Catherine (Thomas), -1835.
Earls, John, 1802-1836--Trials, litigation, etc.
Trials (Murder)--Pennsylvania--Williamsport.
Trials (Murder)--Pennsylvania.
Uxoricide--Pennsylvania--Williamsport.
Princeton subject headings:
Earls, C. (T.), Mrs., d. 1835.
Trials (Murder-Poison)