US Human Spaceflight History provides links to numerous aspects of humans in space.

Rocket History
http://science.ksc.nasa.gov/history/rocket-history.txt

Timeline of Rocket History
http://history.msfc.nasa.gov/rocketry/index.html

Video Tour of Spaceflight History
http://spaceflight.nasa.gov/history/shuttle-mir/history/h-t-video-main.htm

White Sands Space Harbor, 1976 - 2011
Historic American Engineering Record (HAER) Level II Documentation
http://www.nasa.gov/history/white_sands/

Chronology of Aeronautics and Astronautics
http://www.hq.nasa.gov/office/pao/History/timeline.html

U.S. Human Space Flight: A Record of Achievement, 1961-1998
http://www.hq.nasa.gov/office/pao/History/40thann/humanspf.htm

Chronology of U.S. Astronaut Missions (1961-1972)
http://nssdc.gsfc.nasa.gov/planetary/chrono_astronaut.html

Chronology of First 100 Human Space Flights
http://www.hq.nasa.gov/office/pao/History/Timeline/100flt.html

KSC First 100 Manned Space Flights
http://www-pao.ksc.nasa.gov/kscpao/factoids/hundtoc.htm

NASA U.S. Spacesuit Knowledge Capture Program
http://www.jsc.nasa.gov/history/spacesuits/index.htm

Communications Transcripts: Mercury Through Apollo
http://www.jsc.nasa.gov/history/mission_trans/mission_transcripts.htm

Early Astronauts
http://science.ksc.nasa.gov/history/early-astronauts.txt

Astronaut Information
http://www.hq.nasa.gov/office/pao/History/nauts.html

Astronaut Biographies
http://www.hq.nasa.gov/office/pao/History/nauts.html

JSC Human Spaceflight Media Gallery
http://spaceflight.nasa.gov/gallery/index.html

NASA Image Gallery
http://www.nasa.gov/multimedia/imagegallery/index.html

NASA Multimedia Gallery
http://www.nasa.gov/gallery/index.html

JSC's "Yesterday's Space Facts" date-based search engine
http://spaceflight.nasa.gov/dayfacts/archives/

The Human Factor: Biomedicine in the Manned Space Program to 1980
http://history.nasa.gov/SP-4213/sp4213.htm

Man-Systems Integration Standards
http://msis.jsc.nasa.gov/Volume1.htm

Spacewalking: Extra-Vehicular Activities

Walking to Olympus: An EVA Chronology
http://www.jsc.nasa.gov/history/walking/EVAChron.pdf

Spacesuit Evolution
http://history.nasa.gov/spacesuits.pdf

EVA Statistics
http://www.nasa.gov/directorates/somd/reports/eva.html

EVA Activity (Man-Systems Integration Standards)
http://msis.jsc.nasa.gov/sections/section14.htm