The 1960 Survey of Coded Character Sets
The Reasons for ASCII
  

code survey 1
Table 1a
R.W. Bemer, "Survey of coded character representation",
Commun. ACM 3, No. 12, 639-641, 1960 Dec
 

 
 

code survey 2

Table 1b
R.W. Bemer, "Survey of coded character representation",
Commun. ACM 3, No. 12, 639-641, 1960 Dec
 

 

card survey
Table 2
H.J. Smith, Jr., F.A. Williams, "Survey of punched card codes",
Commun. ACM 3, 639 & 642, 1960 Dec.