The first letter of the surname is assigned a call number and the author number is determined starting with the second letter of the name.
| Call Number | Subject |
|---|---|
| PR 6100 | Anonymous works |
| PR 6101-6126 A11-A19 A61-Z458 Z4581-Z999 Z4581-Z4589 Z459 Z46 Z48 Z5-Z999 |
Individual authors (usually subdivided as follows) Collected works Separate works. By title Biography & criticism Periodicals. Societies. Serials Dictionaries, indexes, etc. By date Autobiography, journals, memoirs. By date Letters (Collections). By date General works |
| - PR 6101.A-Z | - A |
| - PR 6102.A-Z | - B |
| - PR 6103.A-Z | - C |
| - PR 6104.A-Z | - D |
| - PR 6105.A-Z | - E |
| - PR 6106.A-Z | - F |
| - PR 6107.A-Z | - G |
| - PR 6108.A-Z | - H |
| - PR 6109.A-Z | - I |
| - PR 6110.A-Z | - J |
| - PR 6111.A-Z | - K |
| - PR 6112.A-Z | - L |
| - PR 6113.A-Z | - M |
| - PR 6114.A-Z | - N |
| - PR 6115.A-Z | - O |
| - PR 6116.A-Z | - P |
| - PR 6117.A-Z | - Q |
| - PR 6118.A-Z | - R |
| - PR 6119.A-Z | - S |
| - PR 6120.A-Z | - T |
| - PR 6121.A-Z | - U |
| - PR 6122.A-Z | - V |
| - PR 6123.A-Z | - W |
| - PR 6124.A-Z | - X |
| - PR 6125.A-Z | - Y |
| - PR 6126.A-Z | - Z |