Many of Edwin Hedderly's articles are digitized

Forest Stream, Nov. 13, 1909, “Small-bore Guns”
https://books.google.com/books?id=l0kcAQAAMAAJ&pg=PA790&lpg
Arms & The Man 1915, “Loading Small-Bores”
https://books.google.com/books?id=BX07AQAAMAAJ&pg=PA158&lpg
Recreation 1917, “Handloading for Small-Bore Guns”
https://books.google.com/books?id=4uVQAAAAYAAJ&pg=PA97&lpg
Outdoor Recreation 1919, “Loading Small-Bores”
https://books.google.com/books?id=BX07AQAAMAAJ&pg=PA158&lpg
Field & Stream, Nov. 1921, “Sixteen” – Or “Twenty” Which
https://books.google.com/books?id=UPtAAQAAMAAJ&pg=PA704&lpg


On introduction in 1923, Hunter Arms referred to their gun as the "Long Range Wild Fowl", but shortly thereafter the gun was advertised and cataloged only as the "Long Range". Hunter Arms records show that one was made in 1921 and an Eagle Grade Long Range in 1922. Only 14 were made in 1923. Total production of Long Range shotguns (1921-41) was 2,606. The "Wild Fowl" name was used 1940-1942 and 98 were made.
Additional information may be found in the Spring 2013 Double Gun Journal Volume 24, Issue 1, p. 137.

[Linked Image from photos.smugmug.com]

Not all LRWF had 3" chambers and if so, had the football "CHAMBERS 3 INCHES" mark on the barrel flats. The top gun has the "reinforcing wedge"

[Linked Image from photos.smugmug.com]