5 Signum
A signum data, also known as a call number, is a unique combination of numbers and letters employed to indicate the specific location of a book within a library. This data was verified and provided to us by the National Library of Finland.
5.1 Complete Dataset Overview
Original documents with titles: 928011 / 1229925 (75.5%)
Original documents with missing (NA) titles 301914 / 1229925 documents (24.5%)
Signum accepted for the whole Fennica
Signum discarded for the whole Fennica
5.1.1 Top-20 signum
| Signum | Entries (n) | Fraction (%) |
|---|---|---|
| Ea2 1978- | 81351 | 6.6 |
| Ea3 1978- | 28278 | 2.3 |
| Da2 1978- | 16679 | 1.4 |
| Cb 1973- | 8530 | 0.7 |
| Suom. kaunokirj. 1 -1972 | 7281 | 0.6 |
| Suom. kaunokirj. 2 -1972 | 7249 | 0.6 |
| Da3 1978- | 7032 | 0.6 |
| Ka01 | 6898 | 0.6 |
| Aa2 | 5307 | 0.4 |
| Doria | 5003 | 0.4 |
5.2 Subset Analysis: 1809-1917
Original documents with titles: 45662 / 1229925 (68.3%)
Original documents with missing (NA) titles 21228 / 1229925 documents (24.5%)
Signum discarded for 1809-1917
5.2.1 Top-20 signum for 1809-1917
| Signum | Entries (n) | Fraction (%) |
|---|---|---|
| Doria | 1871 | 0.2 |
| Diss. HY | 1249 | 0.1 |
| IV.1/49 | 1209 | 0.1 |
| Hartauskirj. -1972;Käsifilmistö - filmikortit | 1121 | 0.1 |
| Suom. kaunokirj. 3 -1972 | 1073 | 0.1 |
| Suom. kaunokirj. 2 -1972 | 870 | 0.1 |
| Suom. kaunokirj. 1 -1972 | 685 | 0.1 |
| Suom. kaunokirj. 4 -1972 | 642 | 0.1 |
| Ruots. kaunokirj. 1 -1972 | 498 | 0 |
| K.Hartauskirj. -1972;Mf. | 487 | 0 |