A search on eBay today (Feb 22, 2023), using the words "Buick parts book", turns up over 2 full pages of 200 items each, and containing 9 different parts books with print dates close to 1952-1953 (but not before 1952).
Here's a 1952 Chassis book (very reasonably priced), with a perfect Jan 1, 1953 print date, from a guy who I have bought manuals from in the past:
Find many great new & used options and get the best deals for 1928-1952 Buick Master Chassis Parts Catalog Book at the best online prices at eBay! Free shipping for many products!
www.ebay.com