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
Elementary Number Theory and Its Applications	01/21/1970	borrowable	increased	20,674.61	100
Poems	01/21/1970	public	increased	20,674.66	100
Daphnis and Chloe	01/21/1970	public	increased	20,674.56	100
Child life in colonial days / written by Alice Morse Earle	01/21/1970	public	increased	20,674.7	100
Home life in colonial days	01/21/1970	public	increased	20,674.69	100
I Think I Love You	01/20/1970	no_ebook	increased	20,675.77	100
Experience Human Development	01/20/1970	no_ebook	increased	20,675.92	100
Rosemary's Baby	01/21/1970	printdisabled	increased	20,674.58	100
What Diantha Did	01/21/1970	public	increased	20,674.66	100
Old Creole days	01/21/1970	public	increased	20,674.68	100
Gustav Klimt	01/21/1970	borrowable	increased	20,674.58	100
Bernice Bobs Her Hair (story)	01/20/1970	no_ebook	increased	20,675.82	100
Mrs. Raffles	01/21/1970	public	increased	20,674.66	100
Tales of Old Japan	01/21/1970	no_ebook	increased	20,674.75	100
Southern Horrors	01/21/1970	no_ebook	increased	20,674.99	100
A treatise on arithmetic	01/21/1970	public	increased	20,674.64	100
Writing & illuminating, & lettering	01/21/1970	public	increased	20,674.63	100
First principles of typography	01/21/1970	no_ebook	increased	20,674.73	100
Enciclopedia storico-nobiliare italiana	01/21/1970	no_ebook	increased	20,674.68	100
Führer durch das Gastspiel von Eleonora Duse.	01/21/1970	no_ebook	increased	20,674.6	100
The possessed	01/21/1970	public	increased	20,674.72	100
La favorita	01/21/1970	public	increased	20,674.63	100
Lucrezia Borgia	01/21/1970	public	increased	20,674.63	100
Lucia di Lammermoor	01/21/1970	public	increased	20,674.63	100
The Tale of Benjamin Bunny	01/21/1970	public	increased	20,674.67	100
The craft of fiction	01/21/1970	public	increased	20,674.63	100
A dictionary of modern English usage	01/21/1970	public	increased	20,674.66	100
An experiment with time	01/21/1970	borrowable	increased	20,674.68	100
Le grand Meaulnes	01/21/1970	public	increased	20,674.57	100
My Life	01/21/1970	public	increased	20,674.64	100
Auditing	01/21/1970	public	increased	20,674.76	100
Clouds of Witness	01/21/1970	public	increased	20,674.58	100
The documents in the case	01/21/1970	borrowable	increased	20,674.56	100
Strong Poison	01/21/1970	borrowable	increased	20,674.55	100
Unnatural Death	01/21/1970	public	increased	20,674.61	100
Whose Body?	01/21/1970	public	increased	20,674.63	100
Lord Peter Views the Body	01/21/1970	public	increased	20,674.64	100
The unpleasantness at the Bellona Club	01/21/1970	public	increased	20,674.63	100
The omnibus of crime	01/21/1970	borrowable	increased	20,674.56	100
Erewhon Revisited	01/21/1970	public	increased	20,674.55	100
Erewhon / Erewhon revisited	01/21/1970	public	increased	20,674.68	100
Erewhon	01/21/1970	public	increased	20,674.55	100
The way of all flesh	01/21/1970	public	increased	20,674.55	100
Chatterton	01/21/1970	public	increased	20,674.55	100
À rebours	01/21/1970	public	increased	20,674.59	100
Là-bas	01/21/1970	public	increased	20,674.56	100
La cathédrale	01/21/1970	public	increased	20,674.63	100
Epigrams	01/21/1970	public	increased	20,674.62	100
Epigrammata	01/21/1970	public	increased	20,674.62	100
Adventures in Contentment	01/21/1970	public	increased	20,674.55	100