To find books written by your writer/director, click the browse button and do an author search. e.g. Shakespeare, William
To find books written about your writer/director or topic, click the browse button and do a subject search. e.g. Zeffirelli
Using the advanced search screen, combine the above subject/author searches with a keyword.
Go directly to the High Library Catalog or search here:
The Art of Shakespeare's Sonnets by 
The Cambridge Companion to Shakespeare by 
The Cambridge Companion to Shakespeare's History Plays by 
The Cambridge Companion to Shakespeare Studies by 
A Companion to Shakespeare and Performance by 
Shakespeare: A Biography by 
Shakespeare: The Invention of the Human by 
Shakespeare after Mass Media by 
Will in the World: How Shakespeare Became Shakespeare by 