A recent discovery of four 600 year old lady's bras made of linen in a in Lemberg Castle in Tyrol is rewriting the history of women's underwear, according to
History of bras - Wikipedia
From Loincloths To Lingerie: The History Of Unmentionables
Bras are older than you think—much older
Bras are older than you think—much older
As they didn't have bras, what did medieval women use for support? - Quora
BBC - History Medieval - Life FiLELiST, PDF, Hell
PDF) Women in the Mountains: Evidence of Early Female Asceticism in Iberia
Medieval Female Underwear - Woman's underwear in the middle ages
The shameful history of underwear, by Dark Energy Articles
Medieval bras uncover the fascinating history of women's daily support needs, Hilary Davidson