Roland Rohlfs (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Roland Rohlfs" in English language version.

refsWebsite

Global rank English rank

1books.google.com

3^rd place

3^rd place

7^th place

7^th place

1newspaperarchive.com

1,584^th place

855^th place

books.google.com

Who's Who in American Aeronautics. Aviation Publishing Corporation. 1922. p. 89. Retrieved July 20, 2020 – via Google Books.

newspaperarchive.com

"Roland Rohlfs SSDI Records". NewspaperArchive. Retrieved July 20, 2020.

nytimes.com

query.nytimes.com

"Rohlfs Makes New Record. Climbs 19,500 Feet in 9 Minutes 42 2-5 Seconds". New York Times. September 20, 1919.