Postcard images of mother and child. The middle image looks to be an illustration or a photo that was reproduced from a copy of a copy. Top and bottom images are French real photo postcards.
Top photo is closer to the 1870's, bottom photos are a bit later 1810's-1890's Montana, the wild west.
Postcards of children in native dress. The top card is Breton children, an ethnic group in the Brittany region of France. The 2nd card shows gypsy children. The last card is an illustration of German children.