Space World: October 1971

 https://welib.org/md5/5ca357f64fe92f870f79d265526c9faf

The High School Journal: January 1972

 https://welib.org/md5/28c79aafb56c4a35d258cf0932d645a9

Project Mercury: Man-in-space Program of the National Aeronautics and Space Administration

 https://welib.org/md5/52f3bc47f1818b35042e4b663dc24742

Aviation and space in the modern world

 https://welib.org/md5/0308e229c743fa8a7ff21031bbd19f9c

the science book of space travel

 https://welib.org/md5/5b21f2d91a9489c7263ffac0aa140360

By Apollo To The Moon

https://welib.org/md5/d24b6e38dfd9ea6dcb489d3d64ccac5e

Club Management: June 1963

 https://welib.org/md5/993cf8c521c8fb6740a80b294607eeb6

Aviation Week: June 20,1966

 https://welib.org/md5/d4e6db8de56d58a8e09bf8dde2f4d5c1

Aviation Week: July 26,1965

 https://welib.org/md5/825ef1edbd3a4063f7937e4d31f9c979

Space World: March 1972

 https://welib.org/md5/2d5153641aaa961348abd01d6fbb36f3

Aviation Week: June 14,1971

 https://welib.org/md5/04389b86812c3f7250b5d368f07c607a

Space World: September 1968

 https://welib.org/md5/c068251c5c786e0a695816e6ce7fe871

Space World: January 1972

 https://welib.org/md5/ad4647b89ed242321e8f397c7454bd61

COSPAR Space Research

 https://welib.org/md5/5c7838716388befd7d1d3320cfd662e7

Spaceflight: November 1970

 https://welib.org/md5/dc5aa0ed7655e0c5c3fba2caff7e1d2b

Booklist: January 1,1972

 https://welib.org/md5/d917cf313a34194b6ecee19406044656

Spaceflight: August 1967

 https://welib.org/md5/7eb7070f93728f69b86b4c4166be74d3

Missiles and Rockets: September 2,1963

 https://welib.org/md5/06e7e87145e9b1ef320773725fea0e1b

The language of space : a dictionary of astronautics

 https://welib.org/md5/918db118581adebc609052600979bd1e

Missiles and Rockets: July 27,1964

 https://welib.org/md5/f4bb77adbe9b32e3f3020253d7df95d1