Series authority record codes to watch:
Fixed field:
SER: a series not traced
b not considered
a series
c series is traced
NUM: a numbered
b not numbered
c numbering varies
Variable fields:
642 Series numbering example
644 Series analysis practice
f - analyzed in full
p - analyzed in part
n - not analyzed
645 Series tracing practice
t - traced
n - not traced
646 Series classification practice
c - volumes are classified as a collection
m - volumes are classified with main or other series
s - volumes are classified separately