Davis had documents about the case not been leaked to the Sacramento Bee.
For years, the National Security Archive has been releasing documents about the massacre.
On Sunday, WikiLeaks made available thousands of secret documents about the war in Afghanistan.
In July it gave media outlets 90,000-plus documents about the war in Afghanistan.
When it later released documents about the Iraq war, the group stripped names from the documents.
Seven top-flight directors have created personal documents about the music's influence.
Hundreds of documents about the Indonesia oil deal ultimately entered the public record.
The father held up the documents about the adoption and said it would have to wait.
Despite the latest releases, a significant number of documents about the coup remain secret.
Last week, the British National Archives released some 500 pages of documents about the case.
Meanwhile, Russia, which for years refused to share Soviet documents about the site, has been more forthcoming, he said.
