7  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.

7.1 Complete Dataset Overview

Original documents with titles: 927870 / 1229782 (75.4%)

Original documents with missing (NA) titles 301912 / 1229782 documents (24.6%)

Signum accepted for the whole Fennica

Signum discarded for the whole Fennica

7.1.1 Top-20 signum

Signum Entries (n) Fraction (%)
Ea2 1978- 81229 6.6
Ea3 1978- 28274 2.3
Da2 1978- 16674 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

7.2 Subset Analysis: 1809-1917

Original documents with titles: 45661 / 1229782 (68.3%)

Original documents with missing (NA) titles 21228 / 1229782 documents (24.6%)

Signum accepted for 1809-1917

Signum discarded for 1809-1917

7.2.1 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