Charts are from antique cross-stitch russian design book.

Lots of steeks: front, sleeve openings, neckline (front & back).
Both sleeves are knitted at the same time in the round, separated by steeks. Same for the sleeve caps.

Shoulder shaping in the round by Janine Bajus (https://www.feralknitter.com/product/shaped-shoulders-in-...)

Neckline and sleeve shaping made with decreases