HAD A SPECIAL REQUEST FOR ANY OF THE OLD CROTON "FIELD DAYS", "BOTTLE CAP BAZAARS" and "PLAYGROUND ARTICLES".
RE: FIELD DAYS: This was the only one available--150 ATTEND SIXTH ANNUAL ROTARY CLUB FIELD DAY, 1949--Courtesy of the outstanding archives maintained by the volunteers of The Croton Historical Society.
Click on the images and enjoy. And check with the society to see if they have more. (914-271-4574, Tuesdays 10:00 a.m. - 3:00 p.m. or by appointment)
As for the BOTTLE CAP BAZAAR (IT'S ALSO PLAYGROUND NEWS AS WELL):
From 1959 http://bit.ly/2ufE4nx
Then there's this PLAYGROUND ARTICLE", from 1952: http://bit.ly/2BUTrKy
Again, check with the Society to see if they have more.