Here's an updated timeline for Winton:
Siwanoy CC (Bronxville, NY) 1916-1925, remodel 9 holes.
Fall River CC (Fall River, MA) 1918, remodel of 6 hole A. Fenn course, add 3 holes.
-Sept. 5, 1924 The Sun article notes Winton rearranging 9 holes. Did this work take place later?
Corning CC (Corning, NY) 1920, 9 holes.
-Sept. 5, 1924 The Sun article notes Winton laid out 9 holes.
Bailey Park CC (Mount Vernon, NY) 1922, with A.W. Tillinghast, 9 holes.
Lynnhaven CC (Norfolk, VA) 1922, 18 holes.
-Sept. 5, 1924 The Sun article notes Winton laying out 18 holes, Guides only have 9 and give a date of 1922 for the course.
Mill River CC (Stratford, CT) 1923, 18 holes
Mohansic Park GC (Yorktown Heights, NY) 1925, 18 holes.
-Sept. 5, 1924 The Sun article notes Winton course to be laid out at Mohansic.
-Dec. 24, 1926 Scarsdale Inquirer article notes 18 holes by Winton opened July, 1925.
Woods Hole CC (Falmouth, MA) 1925, 18 holes (9 hole Findlay course dates from 1898).
-Sept. 5, 1924 The Sun article notes Winton laying out 18 holes.
Hollow Brook CC (Peekskill, NY) 1925, M. Park 9 hole course dates from 1919.
-Sept. 5, 1924 The Sun article notes Winton laying out 18 holes.
Cranmoor CC (Toms River, NJ) 1925, original design.
Sylvan Lake GC (Beekman, NY) 1925, 6 hole course.
-April 9, 1925 The Sun article notes 6 hole course by Winton.
Westport Harbor GC (Westport Harbor, RI) 1925, 9 holes.
-Sept. 5, 1924 The Sun article notes Winton laying out 9 holes, 18 planned. Guides only have 9 holes completed.
Private course for Donald Woodward Pre-1926.
-Apr. 10, 126 Daily News article notes Winton built a 6 hole course for Woodward (possibly now Le Roy CC).
Amityville CC (aka Great South Bay GC and Chapelfields GC) (Amityville, NY) 1926, 18 holes.
-Sept. 5, 1924 The Sun article notes Winton laying out 18 hole course at Chapelfields.
Congressional CC (Blue Course) (Rockville, MD) 1927, remodel.
Hopewell Valley GC (Hopewell Junction, NJ) 1927, 18 holes.
Maplemoor GC (White Plains, NY) 1927, expansion to 18 holes.
-April 24, 1926 and Dec. 24, 1926 Scarsdale Inquirer articles note addition of 9 new holes by Winton.
Sleepy Hollow CC (Scarboro-On-Hudson, NY) Pre-1928, remodel.
Sprain Lake GC (aka Sprain Brook GC) (Yonkers, NY) 1928, 27 holes.
-Dec. 24, 1926 Scarsdale Inquirer article notes contemplated Sprain Brook Parkway project.
Westport GC (aka Westport Inn GC) (Westport, NY) 1928, 18 holes.
-Preexisting 9 hole course by T. Lee.
Kings Ridge Club (Portchester, NY) 1929.
Sunset Hill GC (Ossining, NY) 1929, remodel of existing 9 hole 1924 course.
Lawrence Farms CC (nka Mount Kisco GC) (Mt. Kisco, NY) 1930, 18 holes.
-Nov. 11, 1929 The Yonkers Stateman article notes Winton designed 18 holes.
Saxon Woods GC (Scarsdale, NY) 1931, 18 holes with A.W. Tillinghast.
-Dec. 24, 1926 Scarsdale Inquirer article notes contemplated Saxon Woods Park project.
-Jan. 1, 1932 Scarsdale Inquirer article notes course opened Aug. 1, 1931.
Date Unknown:
Bronxville GC (Bronxville, NY) Date Unknown.
Apawamis Club (Rye, NY) Date Unknown, renovated the greens.
Westchester CC (Rye, NY) Date Unknown, renovated greens on 36 holes.
Gedney Farm CC (White Plains, NY) Post-1922, reconstruction of 7 holes.
-Sept. 21, 1922 Scarsdale Inquirer article notes course opened in 1922.
Colgate University GC (Hamilton, NY) Date Unknown.
Allview CC (Ellicott City, MD) No information on this course other than a notation that it was in Ellicott City.
Toms River CC (Toms River, NJ) Date Unknown.
-Same as Cranmoor CC?
Portchester CC (Portchester, NY) Date Unknown.
-Same as Kings Ridge Club?
Big Spring CC (Louisville, KY) Date Unknown, remodel of original 9 hole G. Davies course
East side of the pond:
Coombe Hill -UK
South Herts -UK
Woodcote Park -UK