http://en.wikipedia.org/wiki/Edward_S._Morse

http://www.seaa-web.org/bul-rep-00a.htm

http://www.seaa-web.org/bul-rep-00a.htm

http://digitalgallery.nypl.org/nypldigital/dgkeysearchdetail.cfm?trg=1&strucID=1874683&imageID=1701607&parent_id=1874601&snum=&s=&notword=&d=&c=&f=&k=1&sScope=&sLevel=&sLabel=&sort=&total=1&num=0&imgs=20&pNum=&pos=1

http://www.inhs.uiuc.edu/~ksc/Malacologists/MorseE.S.html

http://www.oocities.org/jmgould39/morse.html

http://www.oocities.org/jmgould39/morse.html

http://www.seaa-web.org/bul-rep-00a.htm

http://www.bethelhistorical.org/Edward_Sylvester_Morse.html

http://www.amazon.com/Edward-Sylvester-Morse-A-biography/dp/B0007DRAFI