Use of the Jolly Roger by submarines (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Use of the Jolly Roger by submarines" in English language version.

refsWebsite

Global rank English rank

1wearethemighty.com

low place

7,462^nd place

1books.google.com

3^rd place

3^rd place

1popularmechanics.com

1,808^th place

1,159^th place

books.google.com

Williamson2007, p. 59. Williamson, Gordon (2007). U-Boats Vs Destroyer Escorts: The Battle of the Atlantic. Duel Series. Vol. 3. Osprey Publishing. ISBN 978-1-84603-133-5.

popularmechanics.com

"Why a U.S. Navy Spy Submarine is Flying the Jolly Roger". 14 September 2017.

wearethemighty.com

Photo of HMS Conqueror's Jolly Roger in the Royal Navy Submarine Museum