@Karen - The Graphics Fairy has a bunch of art work...I would start with a look at her site.
One of my favorite places for stencils is Cutting Edge Stencils. They have great designs in all different sizes. If you have any questions, the how-to tutorials answer them all.
Thank you for the suggestions but this doesn't answer my question because I am looking for the stencils like was on an original hoosier cabinet.
I found 20 pages worth on Amazon
the one link above is a victorian wall stencil.