Congratulations on your '60 Golde Top Tbird! Here are two main CA Tbird parts companies that you should be able to find anything you need from.
Thunderbird Headquarters - 800-227-2174 Their Email: email@example.com
Address: 4020 Pike Lane Concord, CA 94520
Larry's Thunderbird & Mustang Parts - 800-854-0393 Their Email: firstname.lastname@example.org
Address: 1180 California Ave.#B Corona, CA 92881
This one is in Nevada - Concours Parts & Accessories - 800- 722-0009 Website: http://www.concoursparts.com/
You can contact them through their website Address: 3493 Arrowhead Drive, Carson City, NV 89706
Another great company to do business with is Bird Nest in Oregon. 800-232-6378 Their Email: email@example.com
Address: 1091 Willamette Falls Dr., West Linn, OR 97068 They have a lot of parts cars and Don has a ton of knowledge and experience with these old Birds.
The 800 numbers probably will not do you any good, but at least you have their email addresses, and their websites to contact them through. Ask them to send you their catalogs. Most are free. Good Birding!