Jupiter (Zeus) & Juno (Hera)
Fabulae Romanae 3 - Mythology
By Dr. Melissa Schons Bishop, Boston Latin School
Find lots of information under the Homework Help section of Mythman.com
Olympians -  Good short essays here at Mythography - uses the Greek names
Zeus and Hera on www.pantheon.org.  Excellent overviews of myth and its purpose in antiquity - very specific in scope and clear.
Olympians -  Clickable image map - Find Jupiter & Juno & more!
For a more in-depth approach to the gods, try Parada's web page, Bulfinch's or Characters of Greek Mythology - all accessible at the Lenape Latin Mythology page.