I had never heard of this before:
Slave Bible From The 1800s Omitted Key Passages That Could Incite Rebellion

On display now at the Museum of the Bible in Washington, D.C., is a special exhibit centered on a rare Bible from the 1800s that was used by British missionaries to convert and educate slaves.

What’s notable about this Bible is not just its rarity, but its content, or rather the lack of content. It excludes any portion of text that might inspire rebellion or liberation.

Anthony Schmidt, associate curator of Bible and Religion in America at the museum, says the first instance of this abridged version titled, Parts of the Holy Bible, selected for the use of the Negro Slaves, in the British West-India Islands, was published in 1807.

“About 90 percent of the Old Testament is missing [and] 50 percent of the New Testament is missing,” Schmidt says. “Put in another way, there are 1,189 chapters in a standard protestant Bible. This Bible contains only 232.”

Schmidt says passages that could have prompted rebellion were removed, for example:

“There is neither Jew nor Greek, there is neither bond nor free, there is neither male nor female: for ye are all one in Christ Jesus.” Galatians 3:28