National Park Service (2009-03-13). "
National Register Information System".
National Register of Historic Places.
National Park Service.

Pam Myhre; Lisa Hawks; James E. Jacobsen. "
Jackson Park Historic District".
National Park Service.
Retrieved 2017-01-11.
with 129 photos
National Park Service (2009-03-13). "National Register Information System". National Register of Historic Places. National Park Service.
Pam Myhre; Lisa Hawks; James E. Jacobsen. "Jackson Park Historic District". National Park Service. Retrieved 2017-01-11. with 129 photos
Jackson Park Historic District (Dubuque, Iowa)