Henry Charles Gordon (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Henry Charles Gordon" in English language version.

refsWebsite

Global rank English rank

5,378^th place

4,897^th place

1books.google.com

3^rd place

3^rd place

books.google.com

Erickson, Lance K. (2010). Space Flight: History, Technology, and Operations. Rowman & Littlefield. p. 262. ISBN 9780865874190.

spacefacts.de

"Biographies of U.S. Astronauts". Spacefacts. Retrieved November 14, 2013.
"Deceased Astronauts and Cosmonauts". Encyclopedia Astronautica. Retrieved November 14, 2013.