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
Galápagos	01/21/1970	public	increased	20,674.56	100
The Age of Innocence	01/21/1970	public	increased	20,674.6	100
Ethan Frome	01/21/1970	public	increased	20,674.55	100
The Reef	01/21/1970	public	increased	20,674.57	100
Roman history	01/21/1970	public	increased	20,674.63	100
Hudson River bracketed	01/21/1970	public	increased	20,674.77	100
The Decoration of Houses	01/21/1970	public	increased	20,674.76	100
Sanctuary	01/21/1970	public	increased	20,674.6	100
Italian Villas and Their Gardens	01/21/1970	public	increased	20,674.71	100
The Touchstone	01/21/1970	public	increased	20,674.63	100
The Glimpses of the Moon	01/21/1970	public	increased	20,674.56	100
Ideologie und Utopie	01/21/1970	public	increased	20,674.66	100
The Custom of the Country	01/21/1970	public	increased	20,674.57	100
Summer	01/21/1970	public	increased	20,674.64	100
The House of Mirth	01/21/1970	public	increased	20,674.62	100
Smoky, the cow horse	01/21/1970	public	increased	20,674.94	100
Le crime de Sylvestre Bonnard, membre de l'Institut	01/21/1970	public	increased	20,674.57	100
Les Dieux Ont Soif	01/21/1970	public	increased	20,674.55	100
Ile des pingouins	01/21/1970	public	increased	20,674.55	100
Thaïs	01/21/1970	public	increased	20,674.61	100
Diario	01/21/1970	public	increased	20,674.66	100
Five Children and It	01/21/1970	public	increased	20,674.56	100
The Railway Children	01/21/1970	public	increased	20,674.63	100
The Story of the Treasure Seekers	01/21/1970	public	increased	20,674.61	100
New treasure seekers	01/21/1970	borrowable	increased	20,674.72	100
The Magic City	01/21/1970	public	increased	20,674.67	100
The House of Arden	01/21/1970	public	increased	20,674.68	100
The Phoenix and the Carpet	01/21/1970	public	increased	20,674.56	100
The Enchanted Castle	01/21/1970	public	increased	20,674.63	100
The Wouldbegoods	01/21/1970	public	increased	20,674.63	100
Sermons on several occasions	01/21/1970	public	increased	20,674.63	100
Anarchia	01/21/1970	public	increased	20,674.63	100
Burya	01/21/1970	borrowable	increased	20,674.57	100
Religio medici	01/21/1970	public	increased	20,674.63	100
Poems and Fragments	01/21/1970	borrowable	increased	20,674.63	100
Sappho	01/21/1970	public	increased	20,674.56	100
Hitty, her first hundred years	01/21/1970	public	increased	20,674.6	100
Rubaiyat of Omar Khayyam	01/21/1970	public	increased	20,674.58	100
Rubāʻīyāt	01/21/1970	public	increased	20,674.63	100
Kant	01/21/1970	public	increased	20,674.57	100
Prolegomena	01/21/1970	public	increased	20,674.86	100
Zum ewigen Frieden	01/21/1970	public	increased	20,674.56	100
Kritik der Urteilskraft	01/21/1970	public	increased	20,674.69	100
Kritik der praktischen Vernunft	01/21/1970	public	increased	20,674.63	100
Grundlegung zur Metaphysik der Sitten	01/21/1970	public	increased	20,674.58	100
Kritik der reinen Vernunft	01/21/1970	public	increased	20,674.57	100
If I Grow Up	01/20/1970	printdisabled	increased	20,675.42	100
The War of the Worlds	01/21/1970	public	unchanged	20,674.57	0
The Invisible Man	01/21/1970	public	unchanged	20,674.56	0
The Complete Short Stories of Mark Twain	01/21/1970	public	unchanged	20,674.63	0