http://www.derivativesstrategy.com/magazine/archive/1998/0298fea2.asp

http://www.loebtree.com/oppz.html

http://www.gunnlibrary.org/awards.html

http://www.waramaugassoc.org/Summer12News.pdf

http://www.rckleinberg.com

http://books.google.com/books?id=FZ3NrVOxiE8C&pg=PA213&lpg=PA213&dq=richard+kleinberg&source=bl&ots=jAKfXjygt4&sig=GYtDadSOpvSKlZ4d0aFNOhscAw0&hl=en&sa=X&ei=x5LyU8ydCa2_sQTGpIIw&ved=0CDQQ6AEwAzgo#v=onepage&q=richard%20kleinberg&f=false

http://about.me/richard.kleinberg

http://www.newmilfordspectrum.com/local/article/Civil-War-exhibit-earns-honors-for-Gunn-Museum-3717619.php