The Sun and the Moon have been known as the two Lights for a very long time. In Hellenistic astrology, it was advantageous for the Sun and the Moon to have attending planets, just as any earthly royalty should have a court. Early on, it was recognized that the cycle of this pair was extremely important.
Electronic Library: Besides JSTOR, Proquest and EEBO, Kepler has links to many digitized collections found throughout the web. These are available to individuals who have subscribed to the library.
On-site Library: Thanks to generous donations by many, Kepler has a large collection of books and periodicals. For a small fee, we will search for articlesand either scan and e-mail or photocopy and mail them via US postal service, unless doing so infringes on copyright laws.