| A = Asia | N = North America |
| E = Europe | O = Oceania |
| F = Africa | R = Russia (including cultures formerly part of the Soviet Union) |
| M = Middle East (including Muslim societies in Africa) | S = South America |
|
A. Archaeologist, Antiquarian |
N. Natural Scientist |
|
B. Folklorist |
O. Lawyer |
|
C. Technical Personnel |
P. Psychologist |
|
D. Physician, Physical Anthropologist |
Q. Humanist, Writer, Editor |
|
E. Ethnologist |
R. Artisan |
|
F. Foreign Resident |
S. Social Scientist, other than those designated here |
|
G. Government Official |
T. Traveler |
|
H. Historian |
U. Unknown |
|
I. Indigene |
V. Political Scientist |
|
J. Journalist |
W. Organizational Document |
|
K. Geographer |
X. Economist, Manager |
|
L. Linguist |
Y. Educator |
|
M. Missionary, Clergy |
Z. Sociologist |
|
1 = Poor source |
|
2 = Fair source |
|
3 = Good, useful source, but not uniformly high quality |
|
4 = Excellent secondary data such as compilations or interpretations based on primary research |
|
5 = Excellent primary data such as traveler's accounts, ethnographies, legal documents, autobiographies, etc. |