Since this is a major category of films on WP, the article should be expanded. I have no doubt there are dozens of books on films that cover this subject.(mercurywoodrose)66.80.6.163 (talk) 19:15, 2 March 2011 (UTC)[reply]
Agreed. Here are some sources that discuss the subject. I have no special interest in this subject, though, so someone else will need to review the following and, as I hope, incorporate them into the article:
Now, voyager by Casey Robinson, Jeanne Thomas Allen
That third book has no free Google preview available, but an online preview is available here on Amazon, although you might (?) have to log in to Amazon to see inside the book. Cheers, – OhioStandard (talk) 05:29, 10 May 2011 (UTC)[reply]
