I came across this on Craig's list. I have no affiliation with this person. He has lots of film holders.

Deardorf 11 X 14, holders and lens
http://miami.craigslist.org/mdc/pho/3949675091.html

11 X 14 Burke and James
http://miami.craigslist.org/mdc/pho/3949677185.html

11 X 14 Burke and James Red Bellows
http://miami.craigslist.org/mdc/pho/3949678924.html