USS Whirlwind (SP-221) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "USS Whirlwind (SP-221)" in English language version.

refsWebsite

Global rank English rank

237^th place

170^th place

4,301^st place

2,884^th place

navsource.org

Per the Dictionary of American Naval Fighting Ships (at http://www.history.navy.mil/research/histories/ship-histories/danfs/w/whirlwind.html) and NavSource Online (at http://www.navsource.org/archives/12/170221.htm).

navy.mil

history.navy.mil

Per the Naval History and Heritage Command Online Library of Selected Images (at http://www.history.navy.mil/photos/sh-civil/civsh-w/whirlwnd.htm),
Per the Dictionary of American Naval Fighting Ships (at http://www.history.navy.mil/research/histories/ship-histories/danfs/w/whirlwind.html) and NavSource Online (at http://www.navsource.org/archives/12/170221.htm).