Plato, Parmenides, Philebus, Symposium, Phaedrus
http://www.perseus.tufts.edu/cgi-bin/ptext?lookup=Plat.+Phaedrus+227a
Full text of the Phaedrus in English translation at the Perseus Digital Library.
The Phadrus of Plato
http://books.google.com/books?id=990HmF8p8OMC&printsec=titlepage
Downloadable version of Phaedrus in the original Greek at Google Books, complete with introduction, notes, and translation.
Socrates
http://plato.stanford.edu/entries/socrates/
A biography of Socrates in the Stanford Encyclopedia of Philosophy.
Plato
http://plato.stanford.edu/entries/plato/
A biography of Plato in the Stanford Encyclopedia of Philosophy.
Plato on Rhetoric and Poetry
http://plato.stanford.edu/entries/plato-rhetoric/
A discussion of Plato on rhetoric and poetry in the Stanford Encyclopedia of Philosophy. Includes a section devoted to the Phaedrus.
Plato's Dialogues
http://plato-dialogues.org/tetra_4/phaedrus.htm
A reading of the Phaedrus by Bernard Suzanne. A work in progress.
Zen and the Art of Motorcycle Maintenance
http://www.design.caltech.edu/Misc/pirsig.html
The full text of Robert Pirsig's acclaimed novel, in which the protagonist, Phaedrus, encounters madness as he tries to get to the bottom of Plato's philosophy and, finally, comes to life-changing realizations about rhetoric and the good.