There's a lot of good old video here:
http://www.britishpathe.com/
Mosconi, Greenleaf, 1935
http://www.britishpathe.com/video/billiards-champ-entertains/query/billiards
They got Arthur (Moose) Rubin's name right, but messed up Otto Reiselt and Joe Chamaco
http://www.britishpathe.com/video/trick-shots/query/snooker
Hoppe, Peterson + group photos
http://www.britishpathe.com/video/table-tricks
Caras, Rudolph, 1936
http://www.britishpathe.com/video/take-a-cue/query/caras
Who is this---from 1930?
http://www.britishpathe.com/video/artful-angle/query/billiards
EW
http://www.britishpathe.com/
Mosconi, Greenleaf, 1935
http://www.britishpathe.com/video/billiards-champ-entertains/query/billiards
They got Arthur (Moose) Rubin's name right, but messed up Otto Reiselt and Joe Chamaco
http://www.britishpathe.com/video/trick-shots/query/snooker
Hoppe, Peterson + group photos
http://www.britishpathe.com/video/table-tricks
Caras, Rudolph, 1936
http://www.britishpathe.com/video/take-a-cue/query/caras
Who is this---from 1930?
http://www.britishpathe.com/video/artful-angle/query/billiards
EW