So here's my list as it stands of links to State/Province YOM info. If you have links for the states that are supposedly known to have a YOM program but nothing on their website, let me know.

Ontario: http://www.mto.gov.on.ca/english/dandv/vehicle/yom.htm

Alaska: (PDF) http://www.state.ak.us/local/akpages/ADMIN/dmv/dealer/sop_reg/pdfs/R350.pdf
Arizona
California: http://www.dmv.ca.gov/pubs/vctop/d03/vc5004_1.htm
Colorado: (PDF) http://www.revenue.state.co.us/mv_dir/formspdf/2818.pdf
Connecticut: http://www.ct.gov/dmv/cwp/view.asp?a=811&q=256836&dmvPNavCtr=|#39797
District of Columbia
Florida
Georgia
Idaho
Illinois
Indiana:

Kansas
Maine
Maryland: http://www.marylandmva.com/AboutMVA/INFO/27300-28T.htm#historic
Massachusetts
Michigan: (PDF) http://www.michigan.gov/documents/hplate_16252_7.pdf
Minnesota
Mississippi
Missouri
Montana: http://doj.mt.gov/driving/licenseplates.asp "Original Montana Plates"
Nebraska: http://www.dmv.state.ne.us/dvr/specialty/hist.html
Nevada: http://www.dmvnv.com/platesclassic.htm#Vintage - seems Nevada dmv replicate original plates.
New Hampshire
New Mexico
New York: http://www.nydmv.state.ny.us/cpl8faqs.htm#Historical
North Carolina
North Dakota
Ohio
Oklahoma
Pennsylvania
South Carolina: (PDF) http://www.scdmvonline.com/DMVNew/forms/rg-505a.pdf application
South Dakota: http://www.state.sd.us/drr2/motorvehicle/licenseplates/historical_vehicle_orginal.htm
Tennessee
Texas
Utah
Virginia: http://www.dmv.virginia.gov/webdoc/citizen/vehicles/antique.asp
Washington:

West Virginia
Wisconsin

1958 Chevy 1/2 ton Apache Stepside Longbed
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