HARRIETT LOU EMMA and ADDIE MAE GRISHAM AND ??

Addie Mae and Harriett Lou Emma Grisham were the two youngest daughters of James Lemuel Grisham, Sr. and Margaret Amanda (Jones) Grisham.  

Addie is standing on the left side of the picture and Emma is seated.

Possibly the other two young ladies  are two of the six  daughters of Martha Ann (Jones) Snider and Joseph Evans "Joe" Snider.  Martha Ann was a younger sister of Margaret Amanda.