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
Parables from nature	01/21/1970	public	increased	20,674.58	100
Farewell to Manzanar	01/21/1970	borrowable	increased	20,674.6	100
Hesiod	01/21/1970	public	increased	20,674.66	100
The Age of Reason	01/21/1970	public	increased	20,674.65	100
Common Sense	01/21/1970	public	increased	20,674.56	100
Rights of Man	01/21/1970	public	increased	20,674.56	100
The Glass Flame	01/21/1970	borrowable	increased	20,674.63	100
Emerald	01/21/1970	borrowable	increased	20,674.71	100
Rainsong	01/21/1970	borrowable	increased	20,674.78	100
Emblematum liber	01/21/1970	public	increased	20,674.71	100
A treatise on electricity and magnetism	01/21/1970	public	increased	20,674.56	100
Le suicide	01/21/1970	public	increased	20,674.63	100
Les règles de la méthode sociologique	01/21/1970	public	increased	20,674.58	100
Formes élémentaires de la vie religieuse	01/21/1970	public	increased	20,674.61	100
De la division du travail social	01/21/1970	public	increased	20,674.61	100
Progress and poverty	01/21/1970	public	increased	20,674.66	100
Greatheart	01/21/1970	public	increased	20,674.65	100
The Sheik	01/21/1970	public	increased	20,674.56	100
Oliver Button is a Sissy	01/21/1970	printdisabled	increased	20,674.7	100
The life of Michelangelo Buonarroti	01/21/1970	public	increased	20,674.58	100
Renaissance in Italy	01/21/1970	public	increased	20,674.56	100
Biology for beginners	01/21/1970	public	increased	20,674.68	100
Casanovas Heimfahrt	01/21/1970	public	increased	20,674.64	100
Lucretia, or The children of night	01/21/1970	public	increased	20,674.55	100
Athens, its rise and fall	01/21/1970	public	increased	20,674.63	100
Christianity as mystical fact and the mysteries at antiquity. --	01/21/1970	public	increased	20,674.73	100
Rienzi, the last of the Roman tribunes	01/21/1970	public	increased	20,674.64	100
The Coming Race	01/21/1970	public	increased	20,674.59	100
Ernest Maltravers	01/21/1970	public	increased	20,674.64	100
Zanoni	01/21/1970	public	increased	20,674.63	100
A strange story	01/21/1970	public	increased	20,674.68	100
The Caxtons	01/21/1970	public	increased	20,674.65	100
The Last Days of Pompeii	01/21/1970	public	increased	20,674.56	100
The Way of Initiation (1911)	01/21/1970	public	increased	20,674.77	100
Theosophie	01/21/1970	no_ebook	increased	20,674.7	100
The Haunted Bookshop	01/21/1970	public	increased	20,674.59	100
Parnassus on Wheels	01/21/1970	public	increased	20,674.56	100
Opera	01/21/1970	public	increased	20,674.69	100
Ἰλιάς	01/21/1970	public	increased	20,674.55	100
Ὀδύσσεια	01/21/1970	public	increased	20,674.55	100
Self-reliance	01/21/1970	borrowable	increased	20,674.75	100
Nature	01/21/1970	public	increased	20,674.69	100
The conduct of life	01/21/1970	public	increased	20,674.55	100
The works of Ralph Waldo Emerson	01/21/1970	public	increased	20,674.66	100
English traits	01/21/1970	public	increased	20,674.68	100
Poems	01/21/1970	public	increased	20,674.61	100
Representative men	01/21/1970	public	increased	20,674.6	100
Essays	01/21/1970	public	increased	20,674.64	100
Life and Morals of Jesus of Nazareth	01/21/1970	public	increased	20,674.64	100
The writings of Thomas Jefferson	01/21/1970	public	increased	20,674.65	100