Author Archives: John Mark Ockerbloom

About John Mark Ockerbloom

I'm a digital library strategist at the University of Pennsylvania, in Philadelphia.

Public Domain Day countdown on public social media networks

Posted on November 2, 2022 by John Mark Ockerbloom

I’m starting my countdown today to Public Domain Day, when a year’s worth of copyrights in many countries expires on January 1. In the US, we’ll be getting works that were copyrighted in 1927, and whose copyrights were consistently maintained … Continue reading →

Posted in publicdomain, sharing | 3 Comments

Building a new banned books exhibit for a new era

Posted on September 20, 2022 by John Mark Ockerbloom

When I first created Banned Books Online over 25 years ago, I wasn’t primarily worried about book censorship. I was worried about Internet censorship. It was 1994, and the world at large was just getting to know the Internet, which … Continue reading →

Posted in censorship, libraries, online books | Leave a comment

Public Domain Day 2022: Trespassers Will

Posted on January 1, 2022 by John Mark Ockerbloom

The Piglet lived in a very grand house in the middle of a beech-tree, and the beech-tree was in the middle of the forest, and the Piglet lived in the middle of the house. Next to his house was a … Continue reading →

Posted in Uncategorized | Tagged , , , , , | 2 Comments

Coming soon to the public domain in 2022

Posted on December 1, 2021 by John Mark Ockerbloom

One of the blessings of what’s been a rough couple of years is that Public Domain Day is now a routine cause for celebration in the United States. For 20 years up to 2019, very little entered the public domain … Continue reading →

Posted in adventcalendar, copyright, open access, publicdomain | 1 Comment

Public Domain Day 2021: Honoring a lost generation

Posted on January 1, 2021 by John Mark Ockerbloom

It’s Public Domain Day again. In much of Europe, and other countries with “life+70 years” copyright terms, works by authors who died in 1950, such as George Orwell, Karin Michaelis, George Bernard Shaw, and Edna St. Vincent Millay, have joined … Continue reading →

Posted in online books, open access, publicdomain | 3 Comments

Counting down to 1925 in the public domain

Posted on December 15, 2020 by John Mark Ockerbloom

We’re rapidly approaching another Public Domain Day, the day at the start of the year when a year’s worth of creative work joins the public domain. This will be the third year in a row that the US will have … Continue reading →

Posted in copyright, publicdomain | 3 Comments

From our subjects to yours (and vice versa)

Posted on December 3, 2020 by John Mark Ockerbloom

(TL;DR: I’m starting to implement services and publish data to support searching across library collections that use customized subject headings, such as the increasingly-adopted substitutes for LCSH terms like “Illegal aliens”. Read on for what I’m doing, why, and where … Continue reading →

Posted in discovery, metadata, subjects, wikipedia | Comments Off on From our subjects to yours (and vice versa)

Everybody’s Library Questions: Finding films in the public domain

Posted on March 30, 2020 by John Mark Ockerbloom

Welcome to another installment of Everybody’s Library Questions, where I give answers to questions people ask me (in comments or email) that seem to be useful for general consumption. Before I start, though, I want to put in a plug … Continue reading →

Posted in copyright, publicdomain, Questions | Comments Off on Everybody’s Library Questions: Finding films in the public domain

Build a better registry: My intended comments to the Library of Congress on the next Register of Copyrights

Posted on March 19, 2020 by John Mark Ockerbloom

The Library of Congress is seeking public input on abilities and priorities desired for the next Register of Copyrights, who heads the Copyright Office, a department within the Library of Congress.  The deadline for comments as I write this is … Continue reading →

Posted in copyright, data, metadata, open access, serials | Comments Off on Build a better registry: My intended comments to the Library of Congress on the next Register of Copyrights

Welcome to everybody’s online libraries

Posted on March 16, 2020 by John Mark Ockerbloom

As coronavirus infections spread throughout the world, lots of people are staying home to slow down the spread and save lives.  In the US, many universities, schools, and libraries have closed their doors.  (Here’s what happening at the library where … Continue reading →

Posted in libraries, online books, open access | 4 Comments