Reiterlied (Chadwick, George Whitefield)
Free public domain sheet music from IMSLP / Petrucci Music Library
Boston: Arthur P. Schmidt, 1881. Plate A.P.S. 165.
Original scans: 400dpi, black and white, losslessly-compressed tif files around 3000 by 4600 pixels. Cleaned up, deskewed, re-sampled to 600dpi.