Brahms Sonata No.1 for B flat Clarinet and Piano, Op. 120, #1. Published by Boosey and Hawkes. Included is a part for the viola substituting for the clarinet. 

Large soft cover edition in stiff card, 31cm tall, 23.5cm wide. 30 pages. Clarinet part present along with a xerox copy of same. Viola part present. 

Former owner name in ink at top of title page and on first page of each part. Volume has a little wear: some creasing and rubbing on front cover a little rubbing to spine. But overall square and firm.