I thought I'd share. It's not that vintage or retro since it's only 21 years old, but it's certainly cute! It took me a long time to locate a long sleeved pinafore dress that didn't have ridiculously puffy sleeves. I fancyied it up a bit, but the bones of the pattern are there:
I spent four days embroidering the skirt (it goes all the way around) and the waistband(ditto) and added lace to the bottom and the shoulder straps. I also double needle pintucked the bodice of the dress, put on a purchased lace collar instead of a bastiste lace-edged one, and added lace to the sleeve side of the cuffs.
Here's a detail of the embroidery
And here is the original pattern-