39th parallel north (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "39th parallel north" in English language version.

refsWebsite

Global rank English rank

1web.archive.org

1^st place

1^st place

237^th place

170^th place

1books.google.com

3^rd place

3^rd place

books.google.com

Hubbard, Bill (2009). American Boundaries: The Nation, the States, the Rectangular Survey. University of Chicago Press. pp. 156–157. ISBN 978-0-226-35591-7. Retrieved 27 September 2012.

navy.mil

aa.usno.navy.mil

"Duration of Daylight/Darkness Table for One Year". U.S. Naval Observatory. 2019-09-24. Archived from the original on 2019-10-12. Retrieved 2021-03-10.

web.archive.org

"Duration of Daylight/Darkness Table for One Year". U.S. Naval Observatory. 2019-09-24. Archived from the original on 2019-10-12. Retrieved 2021-03-10.