Al Nagy letter of 23 Jul 2007 to National Academy of Sciences
and other agencies requesting Vanguard One commemoration.

David Houghton Suddeth Obituary

25th Anniversary of Vanguard I

Saturday Review - The Moon That Refused to be Eclipsed

Roger Easton slide presentation "1957 - The Year the Space Age Began"

NASA National Space Science Data Center Data Sheet on Vanguard I

Amateur Video of Vanguard I Launch, on YouTube

Vanguard Orbit Data from Heavens-Above.com

NASA Report Video - Space Exploration in 1958 (scroll down to view movie)

Early Unmanned NASA Craft 1957-1968

Vanguard Project in Wikipedia

Vanguard I Satellite in Wikipedia

Sounds from the first Satellites

Search Results at NASA for "Vanguard"

Tommy Edström's site on Vanguard I Satellite

Ron Muller's Vanguard Album on Snapfish

Ed Habib's Album on Minitrack

NRL Webpage on Vanguard I 40th Anniversary

NASA info on NASA's 50th Anniversary

John Noble Wilford NYTimes article 9-25-07 re Sputnik and Space Age

"Sputnik Declassified" PBS Nova program 11-06-07

Florida Tech has first stage engine model

Construct Paper Models of Vanguard launch vehicles

NRL Fact Sheet Vanguard Project 10-15-02