Superintendent of Documents Classification -- SUDOC
… is a classification system used for materials printed by the federal government
… groups together publications by the same governmental agency or department
How does it work?
- Basic Explanation (Michigan State University)
- Finding on Shelf (Colorado State University)
| SuDoc Order | Decimal (LC) Order |
| D 1.1: | D 1.1: |
| D 1.3: | D 1.12: |
| D 1.12: | D 1.122: |
| D 1.33: | D 1.3: |
| D 1.122: | D 1.33: |
Read SuDoc as a whole number.
| A 1.35:998 | EP 1.23:997 |
| A 1.35:R 42 | EP 1.23:A 62 |
| A 1.35:r 42/998 | EP 1.23:91-44 |
| A 1.35:R 42/2 | EP 1.23:600/998-103 |
| A 1.35:321 | EP 1.23:600/R-98-23 |
Before 2000, the 1 in the year is dropped and only 3 digits are used.
| C 3.186: | EP 1.23: |
| C 3.186/2: | EP 1.23/A: |
| C 3.186/7: | EP 1.23/A-2: |
| C 3.186/7-3: | EP 1.23/2: |
| C 3.186/9: | EP 1.23/2-2: |
Base number followed by a slash, then numbers in order.