http://ibhistoryia.weebly.com

http://teachers.henrico.k12.va.us/tucker/strusky_m/Resources/2008VUSresources/2008vus6e_eventstocivilwar.pdf

http://teachers.henrico.k12.va.us/tucker/strusky_m/Resources/2008VUSresources/2008vus7a_Causes%20of%20Civil%20War.pdf

http://teachers.henrico.k12.va.us/tucker/strusky_m/Resources/2008VUSresources/2008vus7b_civilwar.pdf

http://teachers.henrico.k12.va.us/tucker/strusky_m/Resources/2008VUSresources/2008vus7c_emancipation_gettysburg.pdf