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
Poems	01/21/1970	public	increased	20,674.62	100
Irish melodies	01/21/1970	public	increased	20,674.65	100
Lalla Rookh	01/21/1970	public	increased	20,674.63	100
Farewell address	01/21/1970	public	increased	20,674.57	100
Dangerous Days	01/21/1970	public	increased	20,674.63	100
The original lists of persons of quality	01/21/1970	public	increased	20,674.63	100
Cézanne	01/21/1970	public	increased	20,674.63	100
A short but comprehensive system of the geography of the world	01/21/1970	public	increased	20,674.6	100
The Lone Wolf	01/21/1970	public	increased	20,674.69	100
How to turn people into gold	01/21/1970	no_ebook	increased	20,674.66	100
The medical pocket-book	01/21/1970	no_ebook	increased	20,674.63	100
[William Wheeler Hubbell, authorized to apply for patents.]	01/21/1970	no_ebook	increased	20,674.63	100
Poems	01/21/1970	public	increased	20,674.62	100
Blue Ruin	01/21/1970	public	increased	20,674.55	100
The prodigal girl	01/21/1970	public	increased	20,674.85	100
Cours de philosophie positive	01/21/1970	public	increased	20,674.61	100
Declaration of Independence	01/21/1970	public	increased	20,674.61	100
Laws, etc. (U.S. code annotated	01/20/1970	public	increased	20,675.55	100
The history of the Peleponnesian war	01/21/1970	public	increased	20,674.56	100
The history of the Peloponnesian war, translated from the Greek of Thucydides. ... By William Smith, ..	01/21/1970	public	increased	20,674.73	100
Poems	01/21/1970	public	increased	20,674.57	100
The Club of Queer Trades	01/21/1970	public	increased	20,674.55	100
The Innocence of Father Brown (Father Brown Mystery)	01/21/1970	public	increased	20,674.55	100
The Flying Inn	01/21/1970	public	increased	20,674.56	100
The Defendant	01/21/1970	public	increased	20,674.56	100
Orthodoxy	01/21/1970	public	increased	20,674.56	100
Saint Francis of Assisi	01/21/1970	public	increased	20,674.56	100
The Wild Knight and Other Poems	01/21/1970	public	increased	20,674.56	100
Criticisms & appreciations of the works of Charles Dickens	01/21/1970	public	increased	20,674.56	100
Magic	01/21/1970	public	increased	20,674.56	100
Rogue warrior Seize The Day	01/21/1970	printdisabled	increased	20,674.55	100
A Short History of England	01/21/1970	public	increased	20,674.56	100
Utopia of Usurers and Other Essays	01/21/1970	public	increased	20,674.57	100
William Blake	01/21/1970	public	increased	20,674.79	100
Eugenics and Other Evils	01/21/1970	public	increased	20,674.56	100
What I saw in America	01/21/1970	public	increased	20,674.56	100
The Crimes of England	01/21/1970	public	increased	20,674.66	100
Robert Browning	01/21/1970	public	increased	20,674.57	100
The ballad of the white horse	01/21/1970	public	increased	20,674.56	100
Twelve types	01/21/1970	public	increased	20,674.57	100
Charles Dickens	01/21/1970	public	increased	20,674.59	100
The incredulity of Father Brown	01/21/1970	public	increased	20,674.56	100
The New Jerusalem	01/21/1970	public	increased	20,674.56	100
The secret of Father Brown	01/21/1970	public	increased	20,674.55	100
The Victorian age in literature	01/21/1970	public	increased	20,674.56	100
The Man Who Knew Too Much	01/21/1970	public	increased	20,674.56	100
The ball and the cross	01/21/1970	public	increased	20,674.56	100
George Bernard Shaw	01/21/1970	public	increased	20,674.56	100
The Napoleon of Notting Hill	01/21/1970	public	increased	20,674.55	100
The Everlasting Man	01/21/1970	public	increased	20,674.56	100