145 years Ottilie Assing Timeline of Frederick Douglass and family Timeline of Frederick Douglass and family Timeline of Frederick Douglass and family Ottilie Assing Ottilie Assing Timeline of Frederick Douglass and family Ottilie Assing Timeline of Frederick Douglass and family http://www.math.buffalo.edu/~sww/0history/hwny-douglass... Douglas Timeline Timeline of Frederick Douglass and family Timeline of Frederick Douglass and family Temposkemo pri Frederick Douglass kaj familio Timeline of Frederick Douglass and family