OT Documented source showing how table manners have changed through the ages

"What You Never Knew About Fingers, Forks, & Chopsticks (Lauber,
Patricia. Around-The-House History.)" 40 pages (September 1999)  Simon &
Schuster (Juv); ISBN: 0689804792 ; Dimensions (in inches): 0.43 x 10.36
x 9.85 

The author maintains that not only have table manners changed through
the ages but that even now they differ from culture to culture.

Patricia Lauber is a noted author of more than 80 books on diverse
subjects.

Cheers,

Bob