Some sources for free audiobooks.

Librivox has novels as well as short story collections as audio files
https://librivox.org/search

Librivox search for William Shakespeare
https://librivox.org/author/37?primary_key=37&search_category=author&search_page=1&search_form=get_results

Librivox short stories 60+ volumes each 10 or 20 short stories (approx. 1000 short stories)
https://librivox.org/group/465

FCIT LIT 2 GO –additional free sources of audiobooks through University of South Florida’s Florida Center for Instructional Technology
Author search:
http://etc.usf.edu/lit2go/authors/

Shakespeare search:
http://etc.usf.edu/lit2go/authors/83/william-shakespeare/

Above suggestions from Adonis Amparo


Free Audiobooks from Open Culture
http://www.openculture.com/freeaudiobooks