Schott Giovanni Battista Sammartini 12 Sonatas Volume 1: Sonatas 1-4 for 2 alto recorders (violins) and basso continuo, edited by Franz Julius Giesbert, intermediate level of difficulty, ISMN 9790001099691, OFB 81, 23 x 30.5 cm, 24 / 12 / 12 / 4 pages