If you want to read more about this collecting niche I would recommend:
The 1930 Year Book of The American Society of Bookplate Collectors and Designers .
It has a 15 page article by Hattie Gray Baker about motion picture bookplates.
Morris Ankrum (1896-1964) was a character actor whose film career spanned thirty years (mostly B films)
For instance, He appeared in Invaders From Mars, Rocket ship X-M and Cattle Queen of Montana.
Two Excellent blog postings about Hollywood homes and bookplates
Photo shows Lionel Atwell (1885-1946) with his second wife Elsie Mackay. His bookplate was designed by Bank Gordon.
Here is a film clip with Richard Barthelmess 1895-1963) and Lillian Gish
Marie Anne Boland (1882-1965) American stage and film actress
Mary Louise Brooks (1925-1938) was an actress ,model and dancer.Here is a film clip: