Butterick 9988; ca. 1961; Sleepwear. A: Yoked top with Peter Pan collar, set in elasticized long sleeves, eyelet trim. Eyelet trimmed long pajama pants with elasticized waistline and ankles. B: Shallow necked muu-muu with cape sleeves. C: Puff sleeved shortie nightgown with matching bloomers, lace trim.