The Cults of the Greek States - Lewis Richard Farnell
Published in five volumes between 1896 and 1909, this book separates Greek religious practice from its corresponding mythology. Focusing on the most popular gods, Farnell describes their cults, monuments and ideal types. Volume 2 focuses on the cults of Artemis, Adrasteia, Hekate, Eileithyia, and Aphrodite.