The following parts are in PDF and CFT formats. CFT files may be viewed or printed in Microsoft Windows by downloading the DMuse Viewer. These parts for Antonio Vivaldi's Op.3 concerti accompany the full score available from Dover Publications:
Vivaldi, Antonio. "L'Estro armonico", Op. 3 in Full Score: 12 Concertos for Violins and String Orchestra. Ed. by Eleanor Selfridge-Field. Mineola, New York: Dover Publications; 1999. ISBN 0-486-40631-8.