Public Domain Calendar & Archive

Name: Public Domain Calendar & Archive
Creator: Old Post Books
License: Open Library records may combine sources; record-level provenance and applicable rights statements are retained.

Public Domain Calendar & Archive organizes records from Open Library APIs and data into a static table for transparent comparison. It preserves official source links and dates, marks missing enrichment, and adds deterministic grouping, change, recency, trend, or significance fields only where the documented inputs support them, without recommendations or unsupported claims.

Records: 5,000
Last changed: 08/30/2026
Update schedule: 51 13 * * 5 UTC
Coverage: 01/17/1970–01/21/1970
Method: Methodology

Record	Record Date	Vuga Group	Change Status	Recency Days	Public Significance Score
The biographical dictionary of musicians	01/21/1970	public	increased	20,674.58	100
Elements	01/21/1970	public	increased	20,674.6	100
Agudeza y arte de ingenio, en que se explican todos los modos y differencias de conceptos, con ejemplares escogidos de todo lo más bien dicho, assi facto, como hymano	01/21/1970	public	increased	20,674.55	100
El caballero de Olmedo	01/21/1970	borrowable	increased	20,674.63	100
Fuente Ovejuna	01/21/1970	public	increased	20,674.55	100
La dama boba	01/21/1970	public	increased	20,674.55	100
Obras poéticas	01/21/1970	public	increased	20,674.64	100
Comedias	01/21/1970	borrowable	increased	20,674.63	100
Algorithm design	01/21/1970	unclassified	increased	20,674.64	100
Hamlet	01/21/1970	public	increased	20,674.55	100
Noctes Atticae	01/21/1970	public	increased	20,674.62	100
In Stahlgewittern	01/21/1970	printdisabled	increased	20,674.57	100
Church history of Travancore	01/21/1970	no_ebook	increased	20,674.66	100
A Child's History of England	01/21/1970	public	increased	20,674.57	100
No Thoroughfare	01/21/1970	public	increased	20,674.55	100
The Boy Who Cried Wolf	01/21/1970	borrowable	increased	20,674.65	100
The Ontario readers	01/21/1970	public	increased	20,674.62	100
Laws, etc	01/21/1970	public	increased	20,674.59	100
Laws, etc. (Session laws : 1796-01)	01/21/1970	no_ebook	increased	20,674.63	100
Emilia Galotti	01/21/1970	public	increased	20,674.57	100
Laocoön	01/21/1970	public	increased	20,674.58	100
Nathan der Weise	01/21/1970	public	increased	20,674.56	100
The hedgehog and the fox	01/21/1970	printdisabled	increased	20,674.67	100
La Divina Commedia	01/21/1970	public	increased	20,674.55	100
Il purgatorio	01/21/1970	public	increased	20,674.6	100
The portable Dante	01/21/1970	public	increased	20,674.69	100
The wonders of the invisible world	01/21/1970	public	increased	20,674.67	100
Inferno	01/21/1970	public	increased	20,674.55	100
Vita nuova	01/21/1970	public	increased	20,674.58	100
Il Paradiso	01/21/1970	public	increased	20,674.57	100
A Course of Pure Mathematics	01/21/1970	public	increased	20,674.58	100
Psychology	01/21/1970	public	increased	20,674.65	100
Philosophical essays concerning human understanding	01/21/1970	public	increased	20,674.61	100
The history of England	01/21/1970	public	increased	20,674.87	100
Dialogues Concerning Natural Religion	01/21/1970	public	increased	20,674.67	100
A treatise of human nature	01/21/1970	public	increased	20,674.59	100
A book of nonsense	01/21/1970	public	increased	20,674.58	100
Original Short Stories	01/21/1970	borrowable	increased	20,674.55	100
Mademoiselle Fifi	01/21/1970	public	increased	20,674.56	100
Fort comme la mort	01/21/1970	public	increased	20,674.64	100
Mont-Oriol	01/21/1970	public	increased	20,674.56	100
The odd number	01/21/1970	public	increased	20,674.79	100
Une vie	01/21/1970	public	increased	20,674.55	100
Pierre et Jean	01/21/1970	public	increased	20,674.61	100
Bel-Ami	01/21/1970	public	increased	20,674.55	100
Institutio Christianae religionis	01/21/1970	public	increased	20,674.58	100
Celestina	01/21/1970	public	increased	20,674.56	100
La Celestina	01/21/1970	public	increased	20,674.55	100
The journal of a disappointed man	01/21/1970	public	increased	20,674.63	100
The Stock Exchange	01/21/1970	no_ebook	increased	20,674.79	100