Books like Iconography of Christian Art
Gertrud Schiller
Iconography of Christian Art is 473 pages, about 8 hours 40 minutes at 250 words a minute.
10 books to read next
How long each takes
Understanding Comics 4.0 h 
Picasso 2.5 h 
Mornings in Florence 3.1 h 
The Cloisters 2.2 h 
Modern Art and the Death of a Culture 4.7 h 
Night Thoughts 5.5 h 
The Art of Zootopia 2.9 h 
The Encyclopedia of Fantasy and Science Fiction Art Techniques 3.2 h 
Chagall 1.7 h 
Tarzan of the Apes 2.2 h Bar height shows length. Estimated at 250 words a minute.