Feder, Ken. “The Glazier Blade Cache: Thirty Remarkable Blades Found in Granby, Connecticut”. ASC 66 (2004): 101-113.
Feder’s essay is fascinating because he writes about a huge prehistoric find in Granby, Connecticut. Feder recounts how with assistance he unearths thirty blades made with high skill that date to around 425 AD and 450 AD.