Death
Gainesville Sun - Google News Archive Search
https://news.google.com/newspapers?id=6bozAAAAIBAJ&sjid=feoDAAAAIBAJ&pg=4176,7718440&dq=river-phoenix+death+%7C+died+%7C+dead&hl=en
Personal life
Book sources - Wikipedia
https://en.wikipedia.org/wiki/Special:BookSources/0-385-49353-3International Standard Book Number - Wikipedia
https://en.wikipedia.org/wiki/ISBN_(identifier)
Early life
Gone Before 30: Stars Who Died Young
https://abcnews.go.com/Entertainment/story?id=4174733&page=1