I would guess your best source would be,

•[url][u:1b4zq96s]Floydcountymuseum.org [/u:1b4zq96s][/url] Get your Oliver manuals here, at the website of the Floyd County Museum.

I think the drawings are there along with manuals and literature. There is currently an ongoing project to digitize prints etc.
Kenneth Smith, Ph.# three-one-five--six-five-one--zero-two-eight-six may know of a fleetline tractor in your area, or Harry Elder at Sandy Lake, Pa
724-253-2953