Sewing and Design School - The Kimono Sleeve along with a variety of sleeve styles are described and directions given for drafting and altering in Jan Minott's Total Pattern Fit book. This
Kimono Sleeves - How to make one for your dress (2 ways) - Sew Guide
Pattern construction for kimono and batwing sleeve
I Think I Finally Understand Kimono Sleeves
Pattern construction for kimono and batwing sleeve
Linen Kimono Top - the thread
Pattern construction for kimono and batwing sleeve