Paul A. Zahl (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Paul A. Zahl" in English language version.

refsWebsite

Global rank English rank

7^th place

7^th place

1web.archive.org

1^st place

1^st place

1nationalgeographic.com

344^th place

296^th place

1washingtonpost.com

34^th place

27^th place

nationalgeographic.com

ngm.nationalgeographic.com

"World's Tallest Tree Discovered". National Geographic Magazine. Archived from the original on November 15, 2009. Retrieved February 7, 2015.

nytimes.com

"Dr. Paul Arthur Zahl, A Biologist and Writer". The New York Times. 21 October 1985. Retrieved 15 December 2011.

washingtonpost.com

"Paul Zahl, National Geographic Scientist, Dies". Washington Post.

web.archive.org

"World's Tallest Tree Discovered". National Geographic Magazine. Archived from the original on November 15, 2009. Retrieved February 7, 2015.