The1882 Transit of Venus
Simon Newcomb's expedition to Wellington, South Africa.
http://canopus.saao.ac.za/~wpk/tov1882/tovwell.html

The American Transit of Venus Expeditions of 1882
Abstract of an oral presentation at the 1996 AAS meeting.
http://www.aas.org/publications/baas/v27n4/aas187/S035002.html

Lecture 26: How Far the Sun?
From an introductory astronomy course, describes expeditions which observed the 18th century transits.
http://www.astronomy.ohio-state.edu/~pogge/Ast161/Unit4/venussun.html

No. 1303: Transit of Venus
Transcript of a radio show describing 18th century expeditions. Link to the audio.
http://www.uh.edu/engines/epi1303.htm

The Quest For The Solar Parallax
Excerpt of a book by David Sellers (Leeds, England). Covers the history of trying to find the Earth-Sun distance and how planetary transits played a part in that.
http://www.dsellers.demon.co.uk/venus/ven_ch_frames.htm

Transit of Venus - University of Central Lancashire
University of Central Lancashire is celebrating the 2004 Transit and the historical heritage of Jeremiah Horrocks (1619 to 1641) through a series of lectures, events and international collaborations.
http://www.transit-of-venus.org.uk/

Transit of Venus: Voyages In Time and Space
New Zealand scientific information related to past transits and the upcoming transit. Extensive educational materials.
http://transitofvenus.auckland.ac.nz/

Transits of Venus
Transits in the past and on June 8, 2004.
http://www.venus-transit.de/index.html

Christian Science Monitor Blog - Captain Cook, the transit of Venus, and a little trip to Tahiti
Short explanation of Cook's mission, what he was trying to measure, and links to related web content.
http://weblogs.csmonitor.com/scitechblog/2004/05/index.html#a0001403017