1. ^{{cite news |author= |title=Wendell Phillips Norton |url=https://www.nytimes.com/1955/08/11/archives/wendell-p-nortcn.html |quote=Wendell Phillips Norton, Sr. inventor and designer of the mechanical gear shift first used on the Hendy-Norton lathe, died at his home on Monday after a ... |newspaper=New York Times |date=August 11, 1955 |accessdate=2011-05-21 }}
2. ^{{cite news |author= |title=Torrington Inventor Is Dead At 94 |url=https://pqasb.pqarchiver.com/courant/access/890606362.html?dids=890606362:890606362&FMT=ABS&FMTS=ABS:AI&type=historic&date=Aug+09%2C+1955&author=&pub=Hartford+Courant&desc=Torrington+Inventor+Is+Dead+At+94&pqatl=google |quote=Wendell Phillips Norton Sr., 94, inventor of machine tool devices famous the world over, died today at his home at 365 Prospect St. after a long illness. ... |newspaper=Hartford Courant |date=August 10, 1955 |accessdate=2011-05-21 }}
3. ^{{cite encyclopedia |author=William Jamieson Pape |author-link=William Jamieson Pape |title=Wendell Phillips Norton, Sr |year= 1918|encyclopedia=History of Waterbury and the Naugatuck Valley, Connecticut |page= |quote=Wendell Phillips Norton, connected with the Hendey. Machine Company since 1886, was for twenty-five years superintendent and is now works manager, being thus actively and prominently identified with industrial development in this section of the Naugatuck valley. He was born in Piainville, Hartford county, Connecticut, May 14, 1861. His father, John Norton, was born in Boston in the shadow of Bunker Hill and died in Piainville at the advanced age of ninety years. He was descended from the Rev. William Norton, the clergyman who came from England in the seventeenth century and settled at Salem, Massachusetts. | url=https://books.google.com/?id=aAwWAAAAYAAJ&pg=PA64&dq=John+Norton+Harriet+Hotchkiss#v=onepage&q=John%20Norton%20Harriet%20Hotchkiss&f=false |isbn= }}