The "Scheel letters" are letters about killifish written in the early 1960's by Col. Jorgen J. Scheel and sent to people interested in them for scientific and/or aquaristic sake. These predate - just - the first killi club or any sort national killifish organization; these letters have been preserved by killifans for forty years until Alan Semit and Bill Edwards of the Arizona Rivulin Keepers became responsible for their conversion for display on the web. Photos are courtesy of Morten Scheel, JJS's grandson.
The Illustrated Scheel Letters - 1960