Bibliografía (10 obras)
Custer's Trials
2015
The First Tycoon: The Epic Life of Cornelius Vanderbilt
2010
The First Tycoon
2009
The Colonizers (In Their Own Words)
2000
Founding fathers
1999
The colonizers
1998
Civil War commanders
1995
Citizen's Handbook
1994
Jesse James
1993
The Citizen's handbook
