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
Voyage d'une Parisienne à Lhassa	01/21/1970	public	increased	20,674.68	100
Poems	01/21/1970	public	increased	20,674.64	100
The Geography of Strabo	01/21/1970	public	increased	20,674.63	100
History of English Literature	01/21/1970	public	increased	20,674.6	100
Comédies et proverbes	01/21/1970	public	increased	20,674.64	100
Relativitätstheorie	01/21/1970	public	increased	20,674.63	100
Somme théologique	01/21/1970	no_ebook	increased	20,674.66	100
Summa Theologica	01/21/1970	public	increased	20,674.59	100
Hymns and spiritual songs	01/21/1970	no_ebook	increased	20,674.63	100
Minna von Barnhelm	01/21/1970	public	increased	20,674.58	100
The botanic garden	01/21/1970	public	increased	20,674.66	100
Autobiography	01/21/1970	public	increased	20,674.64	100
The empire of business	01/21/1970	public	increased	20,674.58	100
The descent of man, and selection in relation to sex	01/21/1970	public	increased	20,674.63	100
The Short Stories of Ernest Hemingway	01/21/1970	borrowable	increased	20,674.55	100
Grammatical institute of the English language. Part 1	01/21/1970	public	increased	20,674.64	100
Confucian analects	01/21/1970	borrowable	increased	20,674.65	100
Lun yü	01/21/1970	public	increased	20,674.8	100
Lun yu	01/21/1970	public	increased	20,674.6	100
Arcana coelestia	01/21/1970	public	increased	20,674.67	100
The Temple	01/21/1970	public	increased	20,674.64	100
Zeitschrift für ägyptische Sprache und Altertumskunde	01/21/1970	public	increased	20,675.12	100
Utopia	01/21/1970	public	increased	20,674.55	100
Mathematical recreations and problems of past and present times	01/21/1970	public	increased	20,674.58	100
A short account of the history of mathematics	01/21/1970	public	increased	20,674.68	100
Gedichte	01/21/1970	public	increased	20,674.56	100
Prophéties	01/21/1970	borrowable	increased	20,674.63	100
Miss Beecher's domestic receipt book	01/21/1970	public	increased	20,674.68	100
Unspoken Sermons	01/21/1970	public	increased	20,674.67	100
Chaucer	01/21/1970	public	increased	20,674.63	100
The day boy and the night girl	01/21/1970	borrowable	increased	20,674.55	100
Jungfrau von Orleans	01/21/1970	public	increased	20,674.78	100
Essay on the principle of population	01/21/1970	public	increased	20,674.6	100
The light princess, and other fairy tales	01/21/1970	public	increased	20,674.82	100
The seaboard parish	01/21/1970	public	increased	20,674.66	100
Annals of a quiet neighborhood	01/21/1970	public	increased	20,674.63	100
Anatomy	01/21/1970	public	increased	20,674.64	100
Crescent Dawn	01/21/1970	printdisabled	increased	20,675.02	100
Shakespearean Tragedy	01/21/1970	public	increased	20,674.55	100
Early Greek Philosophy	01/21/1970	public	increased	20,674.67	100
A life of William Shakespeare	01/21/1970	public	increased	20,674.57	100
Lives, teachings, and sayings of famous philosophers	01/21/1970	public	increased	20,674.6	100
The advancement of learning	01/21/1970	public	increased	20,674.56	100
Poems	01/21/1970	public	increased	20,674.56	100
Schweizerische Robinson	01/21/1970	public	increased	20,674.62	100
The wise woman	01/21/1970	public	increased	20,674.65	100
The flight of the shadow	01/21/1970	public	increased	20,674.7	100
Heather and snow	01/21/1970	public	increased	20,674.77	100
The Odessa file	01/21/1970	borrowable	increased	20,674.59	100
Die Zauberflöte	01/21/1970	public	increased	20,674.57	100