I searched the OCLC database for information on this subject. Occoms
last name is spelled with an "Occom"  rather than "Occam," which may
explain in part why your search was unsuccessful.

     The only thing I was able to turn up in the database was a three page
pamphlet entitled "Ten Indian remedies:  from manuscript notes on herbs and
roots."  It was privately printed by Edward Connery Latham in 1954.  There
is a note in the record "by Rev. Samson Occom as compiled in the year
1754."  Only one library is listed as holding this work (Dartmouth
College).

     I believe the Occom papers are held at the Connecticut Historical
Society.  You might contact them to get a copy of the complete manuscript.

David Allen
Melville Library
SUNY Stony Brook