CourseNotes - https://course-notes.org/us_history/unit_notes/unit_four_1800_1840/jeffersonian_democracy  

Period 4 Review - https://www.youtube.com/watch?v=-wnDpr9PMnc

10 Minute Review -  https://www.youtube.com/watch?v=7aYY2sW596s

Notes - https://www.kaptest.com/study/ap-us-history/ap-us-history-exam-period-4-notes-1800-1848/

APUSH Explained - http://www.apushexplained.com/period-4-explained-1800-1848.html

Quizlet - https://quizlet.com/52088522/apush-period-4-1800-1848-flash-cards/