Columbia subject headings:
Knowles, Benjamin, 1885-1933.
Knowles, Harriet Louise, -1928.
Harvard subject headings:
Knowles, Benjamin, 1885-1933--Trials, litigation, etc.
Knowles, Harriet Louise, -1928.
Murder--Ghana--Kumasi--Cases.
Trials (Murder)--Ghana--Kumasi.
Princeton subject headings: