History
[http://speakingoffaith.org/programs/doubt/history.shtml]
Listen to Jennifer Michael Hecht recite her poem while you read along.

No I Would Not Leave You If You Suddenly Found God
[http://speakingoffaith.org/programs/doubt/noiwouldnot.shtml]
Listen to Jennifer Michael Hecht discuss her her poem while you read the text.

Scale of Doubt Quiz
[http://speakingoffaith.org/programs/doubt/quiz.shtml]
Take a quiz to determine how much of a doubter you are.

Timeline
[http://ancienthistory.about.com/library/bl/bl_time_philosophers.htm]
Provides a list of ancient Greek and Roman philosophers and mathematicians in the context of their times in history.

Encyclopedia of Philosophy
[http://www.utm.edu/research/iep/]
A searchable index providing information about ancient and modern philosophers and philosophical terms.

Jennifer Michael Hecht
[http://www.jennifermichaelhecht.com/]
Author's site that provides information about her work and upcoming readings.

The William Blake Archive
[http://www.blakearchive.org/main.html]
A hypermedia archive sponsored by the Library of Congress provides biographical information, electronic images of his books and art, and links to related resources.

Epicurus' Letter to Menoeceus
[http://etext.library.adelaide.edu.au/e/epicurus/menoeceus/]
Read text of letter in which the Greek philosopher encourages people to seek happiness through the attainment of wisdom and knowledge.