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
Murder is Easy	01/21/1970	borrowable	increased	20,674.61	100
The Maltese Falcon	01/21/1970	public	increased	20,674.56	100
Red Harvest	01/21/1970	public	increased	20,674.56	100
The Mysterious Affair at Styles	01/21/1970	public	increased	20,674.57	100
13 for luck	01/21/1970	borrowable	increased	20,674.55	100
The Dain curse	01/21/1970	printdisabled	increased	20,674.55	100
The compleat housewife	01/21/1970	no_ebook	increased	20,674.66	100
Topper	01/21/1970	borrowable	increased	20,674.61	100
Plays	01/21/1970	borrowable	increased	20,674.66	100
Dusty Answer	01/21/1970	public	increased	20,674.64	100
Lutjet e mbrëmjes	01/21/1970	no_ebook	increased	20,675.17	100
International Finance	01/21/1970	public	increased	20,674.63	100
The principles of science	01/21/1970	public	increased	20,674.64	100
The House at Pooh Corner	01/21/1970	borrowable	increased	20,674.63	100
Now we are six	01/21/1970	borrowable	increased	20,674.63	100
When we were very young	01/21/1970	public	increased	20,674.62	100
Winnie-the-Pooh	01/21/1970	public	increased	20,674.58	100
The house of the Wolfings	01/21/1970	public	increased	20,674.57	100
Winnie-the-Pooh / The House at Pooh Corner	01/21/1970	borrowable	increased	20,674.55	100
Once upon a time	01/21/1970	public	increased	20,674.56	100
The earthly paradise	01/21/1970	public	increased	20,674.67	100
Toad of Toad Hall	01/21/1970	public	increased	20,674.55	100
The Red House Mystery	01/21/1970	public	increased	20,674.56	100
Tutunamayanlar	01/19/1970	no_ebook	increased	20,676.7	100
Old-time schools and school-books	01/21/1970	public	increased	20,674.69	100
The Life and Death of Jason	01/21/1970	public	increased	20,674.71	100
News from nowhere, or, An epoch of rest, being some chapters from a utopian romance	01/21/1970	public	increased	20,674.58	100
The scholemaster	01/21/1970	public	increased	20,674.63	100
The sundering flood	01/21/1970	public	increased	20,674.68	100
The water of the Wondrous isles	01/21/1970	public	increased	20,674.55	100
The Well at the World's End	01/21/1970	borrowable	increased	20,674.63	100
The wood beyond the world	01/21/1970	public	increased	20,674.78	100
Hopes and fears for art	01/21/1970	public	increased	20,674.67	100
The Mystery of Cabin Island	01/21/1970	public	increased	20,674.58	100
Gregg shorthand	01/21/1970	public	increased	20,674.64	100
Principles of literary criticism	01/21/1970	public	increased	20,674.57	100
Practical criticism	01/21/1970	public	increased	20,674.56	100
With Christ in the school of prayer	01/21/1970	public	increased	20,674.63	100
Humility	01/21/1970	public	increased	20,674.69	100
The Missing Chums	01/21/1970	public	increased	20,674.58	100
The Enjoyment of Mathematics	01/21/1970	borrowable	increased	20,674.65	100
The secret of the caves	01/21/1970	public	increased	20,674.58	100
The secret of the old mill	01/21/1970	public	increased	20,674.58	100
The tower treasure	01/21/1970	public	increased	20,674.56	100
The Great Airport Mystery	01/21/1970	public	increased	20,674.58	100
The House on the Cliff	01/21/1970	public	increased	20,674.58	100
Hunting for Hidden Gold	01/21/1970	public	increased	20,674.58	100
De la pirotechnia	01/21/1970	public	increased	20,674.76	100
The Shore Road Mystery	01/21/1970	public	increased	20,674.55	100
Your Word Is Your Wand	01/21/1970	public	increased	20,674.72	100