Vintage advice books, magazines, pamphlets, etc., that provide deliciously dated advice. Preferred categories include etiquette, marriage, housekeeping, beauty, pregnancy, motherhood, and "don't be a scoundrel/cad" guides.The bossier and/or smarmier, the better. The 1920s through 1970s seems to be when the advice was at its best (or worst), so that's the ideal time period.
I'm terrible about promoting groups -- I don't have a lot of spare time -- so this group will probably grow slowly over time. It may just be me for a while (or forever!)