To test a topic try a quick search of Reference Resources and the Books & Articles search to the right.
Marble head of a woman from the archaic temple of Artemis - British Museum
When searching for this class, it might be helpful to include the words "myth" or "mythology" in your search. For example, muses and mythology. Otherwise, you may get material concerning something named after the myth or mythical figure but otherwise unrelated.
Likewise, If searching a god or goddess, you might add the words "and deity" after the name, to focus on material concerning that figure. For example, Artemis and Greek deity.
Oxford Companion to World Mythology by 
Handbook of Mesoamerican Mythology
A Dictionary of Celtic Mythology by 
A Dictionary of Asian Mythology
A Dictionary of African Mythology
A Dictionary of Creation Myths
In the Beginning: the Navajo Genesis
The Eagle on the Cactus: Traditional Tales from Mexico
Celtic Myth and Religion
Norse Mythology by 
English Poetry and Old Norse Myth
The Power of Stars: How Celestial Observations Have Shaped Civilizations
The Oxford Classical Dictionary
The Grove Encyclopedia of Classical Art and Architecture
Exploring Greek Myth
