Lucas tires can help with that. Here is some info from them on those tires www.lucasclassictires.com/MODELT032009.pdf
Lang’s Old Car Parts (http://www.modeltford.com/c/741152450/i/page1.aspx) carriers all kinds of replacement parts for Model T’s, including tires. You can also search for them on eBay Motors (http://motors.shop.ebay.com).
You can check at local car parts stores. You can also check online to find matching tires.
EBay is a great resource for trying to find cheap tires online. You will need a PayPal account. All that you have to search is tires and your model number. Try the Sears Online store during sales, they could be able to sell you a tire for cheap.
Coker Tire has an online store made for vintage car tires. The site is easy to use and they have a phone number available on the site if needed.
I would look at Amazon or Autozone. They both would have tires.
You can find any type of toyo tires at your local Costco and mechanic but also online, You can get tires anywhere nowadays, just find what you need online.
Ordering tires online can save you some money. You can find a great deal on tires at www.DiscountTire.com
Reviews or recommendations for car tires can be found on a multitude of online car forums. Many of these forums will have dedicated sections to conversations and topics regarding tires. You car manufacturer will also have information about what tires they recommend for your car model.
They will have listings on craigslist for used tires.
Sears and Tirepackage are two online stores that you can find cheap prices on mud tires.
nadaguides.com/Classic-Cars
Tractor Tires can be purchased at several online retailers. Examples include TireTown Farm Tires (www.tiretown.com) and Tires Unlimited (tiresunlimited.com)
Tires for these cars can be purchased from specialty retailers. These retailers can help you pick the right tires for your vehicle. When you are restoring your classic car,original parts is very important.I would suggest searching on Ebay for the tires foryour vehicle.