From McCall's:
MEN'S SHIRTS: Shirts A, B, C, D, E with collar and collar band, front band, pockets and sleeve variations; shirt A has short sleeves; shirts B, C, D, E have long sleeves with cuffs; shirt B has contrast inside collar band and cuffs.
NOTIONS: Shirt A - Seven 1/2" Buttons; Shirt B, C - Nine 1/2" Buttons; Shirt D, E - Eleven 1/2" Buttons.