Strony, Madeline S.
Refresher course in Gregg shorthand simplified
McGraw-Hill, 1962
 Buku Teks SO
Renshaw, Wallace W.
Gregg dictation and transcription
Gregg Publishing, 1937
 Buku Teks SO
Leslie, Louis A.
Gregg dictation simplified
McGraw-Hill, 1955
 Buku Teks SO
Gregg, Donald C.
College chemistry/ Donald C. Gregg
Allyn and Bacon, 1961
 Buku Teks SO
Lamb, Marion M.
Your first year of teaching shorthand and transcription
South-Western Publishing, 1961
 Buku Teks SO