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 last September	01/21/1970	printdisabled	increased	20,674.63	100
Hypnerotomachia Poliphili	01/21/1970	public	increased	20,674.56	100
Autobiography	01/21/1970	public	increased	20,674.67	100
Life and works of Abraham Lincoln	01/21/1970	public	increased	20,674.75	100
Don't Stop the Carnival	01/21/1970	borrowable	increased	20,674.56	100
Paul Gauguin	01/21/1970	public	increased	20,674.62	100
La chartreuse de Parme	01/21/1970	public	increased	20,674.55	100
De l'amour	01/21/1970	public	increased	20,674.57	100
La Vida de Henry Brulard	01/21/1970	public	increased	20,674.64	100
Crystal Singer	01/21/1970	printdisabled	increased	20,674.56	100
Le rouge et le noir	01/21/1970	public	increased	20,674.58	100
Dragons of Spring Dawning	01/21/1970	borrowable	increased	20,674.55	100
La vie des abeilles	01/21/1970	public	increased	20,674.63	100
Male and female	01/21/1970	public	increased	20,674.59	100
Coming of age in Samoa	01/21/1970	public	increased	20,674.6	100
Growing up in New Guinea	01/21/1970	public	increased	20,674.6	100
Sangre y arena	01/21/1970	public	increased	20,674.7	100
Modern Engineering Mathematics	01/20/1970	borrowable	increased	20,675.51	100
The Mother Tongue	01/21/1970	printdisabled	increased	20,674.71	100
Théâtre complet	01/21/1970	public	increased	20,674.55	100
Andromaque	01/21/1970	public	increased	20,674.56	100
The Bartender's Guide	01/21/1970	public	increased	20,674.63	100
La mathématique des jeux, ou Récréations mathématiques	01/21/1970	borrowable	increased	20,674.59	100
Revelations of divine love, recorded by Julian, anchoress at Norwich, A.D. 1373	01/21/1970	public	increased	20,674.63	100
The life of Olaudah Equiano, or Gustavus Vassa, the African	01/21/1970	public	increased	20,674.61	100
Secret of the Ages	01/21/1970	printdisabled	increased	20,674.63	100
The Road	01/21/1970	public	increased	20,674.56	100
Hearts of Three	01/21/1970	public	increased	20,674.75	100
A Son of the Sun	01/21/1970	public	increased	20,674.55	100
When God Laughs and Other Short Stories	01/21/1970	public	increased	20,674.68	100
The Scarlet Plague	01/21/1970	public	increased	20,674.68	100
Lost Face (collection)	01/21/1970	public	increased	20,674.55	100
The Star Rover	01/21/1970	public	increased	20,674.66	100
South Sea Tales	01/21/1970	public	increased	20,674.67	100
Before Adam	01/21/1970	public	increased	20,674.56	100
El árbol de la ciencia	01/21/1970	borrowable	increased	20,674.55	100
The Iron Heel	01/21/1970	public	increased	20,674.63	100
White Fang	01/21/1970	public	increased	20,674.56	100
Self-knowledge and self-discipline	01/21/1970	public	increased	20,674.77	100
Your Invisible Power	01/21/1970	printdisabled	increased	20,674.67	100
Yoga sutras	01/21/1970	borrowable	increased	20,674.63	100
Nadja	01/21/1970	borrowable	increased	20,674.63	100
The Birds of America	01/21/1970	public	increased	20,674.6	100
La religieuse	01/21/1970	borrowable	increased	20,674.61	100
Traité d'histoire des religions	01/21/1970	borrowable	increased	20,674.56	100
Collectio rerum liturgicarum	01/21/1970	public	increased	20,674.71	100
The life of Charles Dickens	01/21/1970	public	increased	20,674.56	100
Skuse's complete confectioner	01/21/1970	no_ebook	increased	20,674.66	100
Historia verdadera de la conquista de la Nueva España	01/21/1970	public	increased	20,674.56	100
La città del sole	01/21/1970	public	increased	20,674.56	100