G Gaskell 
A Dictionary of the Sacred Language of All Scriptures and Myths (Routledge Revivals) [PDF ebook] 

G. A. Gaskell’s Dictionary of the Sacred Language of All Scriptures and Myths, first published in 1923, examines several different aspects of religion, including examples from Ancient Egyptian religion and mythology to modern-day Christianity, providing explanations of gods, events, and symbols in alphabetical order. This is a perfect reference book for students of theology or the history of religion.