Ball–Ehrman House (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ball–Ehrman House" in English language version.

refsWebsite

Global rank English rank

135^th place

105^th place

1portlandonline.com

low place

low place

6,109^th place

3,424^th place

1web.archive.org

1^st place

1^st place

nps.gov

npgallery.nps.gov

"National Register Information System". National Register of Historic Places. National Park Service. March 13, 2009.

oregon.gov

"Oregon National Register List" (PDF). Oregon Parks and Recreation Department. October 19, 2009. p. 30. Archived (PDF) from the original on 9 June 2011. Retrieved June 8, 2011.

portlandonline.com

Portland Historic Landmarks Commission (July 2010), Historic Landmarks -- Portland, Oregon (XLS), retrieved October 28, 2013.

web.archive.org

"Oregon National Register List" (PDF). Oregon Parks and Recreation Department. October 19, 2009. p. 30. Archived (PDF) from the original on 9 June 2011. Retrieved June 8, 2011.