John D. Hopper Jr. (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "John D. Hopper Jr." in English language version.

refsWebsite

Global rank English rank

1books.google.com

3^rd place

3^rd place

1,038^th place

668^th place

books.google.com

"Air Force Register". United States Air Force. 1979. p. 389.

defense.gov

"Defense.gov News Article: Highest-Ranking Black Air Force General Credits Success to Hard Work". defense.gov. Retrieved 2015-05-24.