Japanese submarine Ro-15 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Japanese submarine Ro-15" in English language version.

refsWebsite

Global rank English rank

2books.google.com

3^rd place

3^rd place

1web.archive.org

1^st place

1^st place

books.google.com

Airship Investigation: Report of Col. Henry Breckenridge, Washington, D.C.: Government Printing Office, 1933, p. 55.
Airship Investigation: Report of Col. Henry Breckenridge, Washington, D.C.: Government Printing Office, 1933, p. 56.

web.archive.org

"RO-15 ex No-24". iijnsubsite.info. 2018. Archived from the original on March 1, 2017. Retrieved 15 October 2020.