We recently found this video clip of William Packard on YouTube. He's being interviewed at the 1987 New York Book Fair while supporting his novel, Saturday Night at San Marcos.
Maxine Hong Kingston: To Be the Poet (The William E. Massey Sr. Lectures in the History of American Civilization)
A treasure from a writer who is a treasure.
William Packard: The Poet's Dictionary : A Handbook of Prosody and Poetic Devices
The only one you really need. Filled with examples for each entry.
William Packard: The Art of Poetry Writing : A Guide For Poets, Students, & Readers
The closest thing to having been in Packard's class.