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
Lothair	01/21/1970	public	increased	20,674.64	100
La Grande Révolution	01/21/1970	public	increased	20,674.58	100
Этика	01/21/1970	public	increased	20,674.6	100
Mutual Aid	01/21/1970	public	increased	20,674.6	100
Fields, Factories, and Workshops	01/21/1970	public	increased	20,674.65	100
La conquête du pain	01/21/1970	public	increased	20,674.57	100
Memoirs of a Revolutionist	01/21/1970	public	increased	20,674.57	100
Among my books	01/21/1970	public	increased	20,674.56	100
Orchestration	01/21/1970	public	increased	20,674.68	100
20 Years at Hull House	01/21/1970	public	increased	20,674.58	100
Philosophie zoologique	01/21/1970	public	increased	20,674.76	100
Hans Brinker, or, The silver skates	01/21/1970	public	increased	20,674.6	100
Hans Brinker	01/21/1970	public	increased	20,674.63	100
The Nature of the Physical World	01/21/1970	public	increased	20,674.67	100
Irish witchcraft and demonology	01/21/1970	public	increased	20,674.57	100
Poems	01/21/1970	borrowable	increased	20,674.61	100
Germania	01/21/1970	public	increased	20,674.66	100
A Study of History	01/21/1970	public	increased	20,674.57	100
Medical essays, 1842-1882	01/21/1970	public	increased	20,674.61	100
The poet at the breakfast-table	01/21/1970	public	increased	20,674.57	100
The professor at the breakfast-table	01/21/1970	public	increased	20,674.66	100
Poems	01/21/1970	public	increased	20,674.59	100
The autocrat of the breakfast-table	01/21/1970	public	increased	20,674.55	100
Æsop's fables	01/21/1970	public	increased	20,674.56	100
The Religion of the Samurai	01/21/1970	public	increased	20,674.66	100
The book of black magic and of pacts	01/21/1970	printdisabled	increased	20,674.78	100
The book of ceremonial magic	01/21/1970	no_ebook	increased	20,674.67	100
[Relief of C. J. Baronett.]	01/21/1970	no_ebook	increased	20,674.63	100
Bovine Infection Abortion	01/21/1970	public	increased	20,674.58	100
The description of a new world	01/21/1970	public	increased	20,674.7	100
Tales of old Japan	01/21/1970	public	increased	20,674.57	100
Human Nature and Conduct An Introduction to Social Psychology	01/21/1970	public	increased	20,674.68	100
Language	01/21/1970	public	increased	20,674.66	100
The public and its problems	01/21/1970	public	increased	20,674.58	100
How we think	01/21/1970	public	increased	20,674.78	100
The school and society	01/21/1970	public	increased	20,674.58	100
Democracy and Education	01/21/1970	public	increased	20,674.65	100
Hugh Wynne, free Quaker	01/21/1970	public	increased	20,674.56	100
Poems	01/21/1970	public	increased	20,674.57	100
De Occulta Philosophia	01/21/1970	public	increased	20,674.6	100
Table-talk	01/21/1970	public	increased	20,674.6	100
Struwwelpeter	01/21/1970	public	increased	20,674.6	100
The "Canary" Murder Case	01/21/1970	public	increased	20,674.55	100
Dance Upon the Air	01/21/1970	borrowable	increased	20,674.8	100
The Lincoln Lawyer (Mickey Haller #1)	01/21/1970	borrowable	increased	20,674.55	100
The art of thought	01/21/1970	no_ebook	increased	20,674.65	100
Pan Tadeusz	01/21/1970	public	increased	20,674.6	100
Those who love	01/21/1970	borrowable	increased	20,674.88	100
The origin	01/21/1970	borrowable	increased	20,674.63	100
The Parent's Assistent	01/21/1970	public	increased	20,674.56	100