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 Red Thumb Mark	01/21/1970	public	increased	20,674.55	100
Myths & legends of Japan	01/21/1970	public	increased	20,674.66	100
The fortunate mistress, or, Roxana	01/21/1970	public	increased	20,674.55	100
The complete herbal; to which is now added upwards of one hundredadditional herbs	01/21/1970	public	increased	20,674.63	100
Navaho Witchcraft	01/21/1970	borrowable	increased	20,674.63	100
The new Negro	01/21/1970	printdisabled	increased	20,674.66	100
From Manassas to Appomattox	01/21/1970	public	increased	20,674.56	100
La Regenta	01/21/1970	public	increased	20,674.57	100
Sketches New and Old	01/21/1970	public	increased	20,674.56	100
Tom Sawyer Abroad	01/21/1970	public	increased	20,674.55	100
Octavius	01/21/1970	public	increased	20,674.66	100
Helen of Troy	01/21/1970	public	increased	20,674.59	100
Death of my aunt	01/21/1970	borrowable	increased	20,674.6	100
The Alexiad	01/21/1970	public	increased	20,674.59	100
Chemical Reactor Design for Process Plants	01/21/1970	no_ebook	increased	20,674.76	100
Public opinion	01/21/1970	public	increased	20,674.67	100
Ben and Me	01/21/1970	borrowable	increased	20,674.64	100
The keeper of the bees	01/21/1970	printdisabled	increased	20,674.63	100
Laddie	01/21/1970	public	increased	20,674.66	100
The Harvester	01/21/1970	public	increased	20,674.55	100
A Girl of the Limberlost	01/21/1970	public	increased	20,674.66	100
At the Foot of the Rainbow	01/21/1970	public	increased	20,674.64	100
Le livre des médiums	01/21/1970	borrowable	increased	20,674.77	100
Freckles	01/21/1970	public	increased	20,674.62	100
Elizabeth I	01/21/1970	public	increased	20,674.56	100
Julius Caesar	01/21/1970	public	increased	20,674.56	100
King Alfred of England	01/21/1970	public	increased	20,674.56	100
History of Alexander the Great	01/21/1970	public	increased	20,674.56	100
History of Cleopatra, queen of Egypt	01/21/1970	public	increased	20,674.56	100
Genghis Khan	01/21/1970	public	increased	20,674.56	100
Mary, Queen of Scots	01/21/1970	public	increased	20,674.56	100
Xerxes	01/21/1970	public	increased	20,674.56	100
History of Cyrus the Great	01/21/1970	public	increased	20,674.56	100
History of Nero	01/21/1970	public	increased	20,674.56	100
History of William the Conqueror	01/21/1970	public	increased	20,674.56	100
Facing Mount Kenya	01/21/1970	borrowable	increased	20,674.62	100
Telluris theoria sacra	01/21/1970	public	increased	20,674.67	100
American practical navigator	01/21/1970	public	increased	20,674.7	100
The Dancing Bear (Young Lion Storybook)	01/20/1970	borrowable	increased	20,675.83	100
Cool!	01/21/1970	borrowable	increased	20,674.91	100
Letters of a Woman Homesteader	01/21/1970	public	increased	20,674.64	100
Why the whales came	01/21/1970	borrowable	increased	20,674.78	100
Microbiology	01/21/1970	printdisabled	increased	20,674.59	100
You Can't Win	01/21/1970	public	increased	20,674.66	100
Sam Walton	01/21/1970	printdisabled	increased	20,674.64	100
Wuthering heights	01/21/1970	no_ebook	increased	20,674.57	100
As a man thinketh	01/21/1970	public	increased	20,674.57	100
The shuttle-craft book of American hand-weaving	01/21/1970	borrowable	increased	20,674.63	100
James Joyce's Ulysses	01/21/1970	borrowable	increased	20,674.6	100
Official Congressional Directory	01/21/1970	public	increased	20,674.62	100