12  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.

12.1 Complete Dataset Overview

Original documents with titles: 981714 / 1318063 (74.5%)

Original documents with missing (NA) titles 336349 / 1318063 documents (25.5%)

Signum accepted for the whole Fennica

Signum discarded for the whole Fennica

12.1.1 Top-20 signum

Signum Entries (n) Fraction (%)
Ea2 86592 6.6
Ea3 29564 2.2
Da2 17912 1.4
Suom. kaunokirj. 1 9289 0.7
Cb 8853 0.7
Da3 8383 0.6
Suom. kaunokirj. 2 8016 0.6
Ka01 6902 0.5
Aa2 6391 0.5
S 6158 0.5

12.2 Subset Analysis: 1809-1917

Original documents with titles: 44520 / 1318063 (61.3%)

Original documents with missing (NA) titles 28106 / 1318063 documents (25.5%)

Signum accepted for 1809-1917

Signum discarded for 1809-1917

12.2.1 Top-20 signum for 1809-1917

Signum Entries (n) Fraction (%)
Doria 1871 0.1
Hartauskirj. 1793 0.1
Diss. HY 1550 0.1
Ruots. kaunokirj. 1 1525 0.1
Suom. kaunokirj. 1 1316 0.1
Suom. kaunokirj. 3 1175 0.1
Suom. kaunokirj. 2 1023 0.1
Suom. hist. 3 802 0.1
Suom. kaunokirj. 4 638 0
Maantiede 1 635 0