Kenneth D. Ackerman
Books
Young J. Edgar
2007
ISBN 9780786717750- No cover
Dark Horse: The Surprise Election and Political Murder of President James A. Garfield
2003
ISBN 9781619450110 
Dark horse
2003
ISBN 9781619450004
The Gold Ring
1988
ISBN 9780887304361
Boss Tweed
2005
ISBN 9780786716869
Trotsky in New York 1917
2016
ISBN 9781619028739