To test a topic try a quick search of OneSearch and Reference Resources
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 less relevant material concerning something named after the myth or mythical figure (the Artemis space program, for example).
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 
A Dictionary of Creation Myths
In the Beginning: the Navajo Genesis
Handbook of Mesoamerican Mythology
The Eagle on the Cactus: Traditional Tales from Mexico
A Dictionary of Asian Mythology
A Dictionary of African Mythology
A Dictionary of Celtic Mythology by 
Celtic Myth and Religion
Norse Mythology by 
Old Norse Mythology
The Oxford Classical Dictionary
The Grove Encyclopedia of Classical Art and Architecture
Exploring Greek Myth
