If you’re willing to lose hours and days, please proceed.
Fashion Resources
The Fashion History Timeline – a wide-ranging resource
https://fashionhistory.fitnyc.edu/about-timeline/
We Wear Culture
https://artsandculture.google.com/project/fashion
Fashion history on Reddit
https://www.reddit.com/r/fashionhistory
Interested in 1920s fashion?
At Vogue, Lila Ramzi has a fantastic article on what women wore:
https://www.vogue.com/article/1920s-fashion-history-lesson
At Gentleman’s Gazette, Sven Raphael Schneider covers what men wore:
https://www.gentlemansgazette.com/what-men-wore-1920s/
Or go back to the very beginning of clothing and adornment
https://rarehistoricalphotos.com/oldest-clothing-accessories-in-history/
The demand for vintage clothing is strong enough that vintage sewing patterns have been adjusted to modern sizes and reissued.
https://www.sewdirect.com.au/product-category/collections/vintage-patterns
(I can sew, but it drives me wild, so it’s one of the first hard-won skills I abandoned.)
Do you have any fashion resources you refer to?
On a related topic, if you ever get a chance to watch The Supersizers Go… grab it! This British TV show where Sue Perkins (comedian) and Giles Coren (food critic) dressed up and ate the food of an era is brilliant.