Highly regarded American artist (1859–1935) best known for his impressionistic landscapes and evocative views of New York City; his best-known works include paintings of flag-draped skyscraper “canyons” in that city. ALS, two pages, 4.5 x 6.75, May 18. Hassam writes to Miss Thayer on his working habits. In part: “Yes. I do it myself—no assistant. The first four pleasant days of the week are usually chosen also. The place is decided on from day to day.” In very fine, bright condition. R&R COA.