Here are some sample call numbers, in order:
QL
362
.P43
2005 |
QL
362
.P5
2002 |
QL
363
.D22
2000
|
QP
363
.L2
2006
|
Read the call number from top to bottom:
QL
|
First line: read it alphabetically.
Example: QL comes BEFORE QP
|
362
|
Second line: read it as a whole number.
Example: QL362 comes BEFORE QL363
|
.P43
|
Next line: read the letter alphabetically, then read the number as a decimal.
Example: QL362 .P43 comes BEFORE QL362 .P5
|
2005
|
Last line: usually a date or a volume number
|