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 Absentee	01/21/1970	public	increased	20,674.56	100
Castle Rackrent	01/21/1970	public	increased	20,674.55	100
Tales and Novels	01/21/1970	public	increased	20,674.56	100
The life and epistles of St. Paul	01/21/1970	public	increased	20,674.57	100
Innocent Voyage	01/21/1970	public	increased	20,674.56	100
Sygdommen til døden	01/21/1970	borrowable	increased	20,674.56	100
The science of living	01/21/1970	public	increased	20,674.76	100
The practice and theory of individual psychology	01/21/1970	printdisabled	increased	20,674.6	100
The education of children	01/21/1970	printdisabled	increased	20,674.64	100
Menschenkenntnis	01/21/1970	public	increased	20,674.59	100
Om begrebet ironi	01/21/1970	borrowable	increased	20,674.62	100
Gjentagelsen	01/21/1970	borrowable	increased	20,674.63	100
Frygt og Bæven	01/21/1970	borrowable	increased	20,674.6	100
Begrebet angest	01/21/1970	borrowable	increased	20,674.7	100
Father and son	01/21/1970	public	increased	20,674.64	100
Enten-eller	01/21/1970	borrowable	increased	20,674.67	100
Lolly Willowes	01/21/1970	borrowable	increased	20,674.6	100
Mr. Fortune's Maggot	01/21/1970	public	increased	20,674.61	100
The Conjure Woman	01/21/1970	public	increased	20,674.62	100
The house behind the cedars	01/21/1970	public	increased	20,674.68	100
The marrow of tradition	01/21/1970	public	increased	20,674.61	100
A Short History of The English People	01/21/1970	public	increased	20,674.57	100
Elements of logic	01/21/1970	public	increased	20,674.63	100
History of the conquest of Mexico	01/21/1970	public	increased	20,674.62	100
History of the Conquest of Peru	01/21/1970	public	increased	20,674.59	100
The water-babies: a fairy tale for a land-baby	01/21/1970	public	increased	20,674.56	100
Hypatia, or, New foes with an old face	01/21/1970	public	increased	20,674.56	100
Two Years Ago	01/21/1970	public	increased	20,674.56	100
Yeast	01/21/1970	public	increased	20,674.56	100
The heroes	01/21/1970	public	increased	20,674.56	100
Westward ho!	01/21/1970	public	increased	20,674.55	100
[To promote education of the blind.]	01/21/1970	no_ebook	increased	20,674.56	100
Römische Geschichte	01/21/1970	public	increased	20,674.56	100
Manon Lescaut	01/21/1970	public	increased	20,674.55	100
My autobiography	01/21/1970	public	increased	20,674.57	100
David Poindexter's disappearance, etc.	01/21/1970	public	increased	20,674.63	100
The lock and key library	01/21/1970	no_ebook	increased	20,674.63	100
Bevis, the story of a boy	01/21/1970	public	increased	20,674.6	100
The story of my heart	01/21/1970	public	increased	20,674.63	100
Edda	01/21/1970	borrowable	increased	20,674.57	100
Heimskringla; Lives/Saga of the Norse Kings	01/21/1970	public	increased	20,674.57	100
An introduction to mathematics	01/21/1970	public	increased	20,674.68	100
Process and reality	01/21/1970	public	increased	20,674.65	100
Principia mathematica	01/21/1970	public	increased	20,674.63	100
The concept of nature	01/21/1970	public	increased	20,674.63	100
Science and the modern world	01/21/1970	public	increased	20,674.62	100
Laws, etc	01/21/1970	public	increased	20,674.6	100
The crook in the lot, or, The sovereignty and wisdom of God displayed in the afflictions of men	01/21/1970	public	increased	20,674.56	100
Human nature in its four-fold state of primitive integrity, entire depravation, begun recovery, and consummate happiness or misery	01/21/1970	public	increased	20,674.63	100
Über die Einsamkeit	01/21/1970	public	increased	20,674.62	100