I've started looking into the Bloomer Girl era of baseball, which spanned from the 1890s until the mid-1930s. These were professional barnstorming teams composed (primarily) of women, who traveled across the United States playing exhibition games against men's teams. (and of course, they were named after the "bloomer" style of dress that allowed for greater mobility).
To that end, I've started a collection of both cards and postcards from this era, and gathering research to learn more.
So far I've ordered some books:
Any other books that I should look into?