The journalist who first received former National Security Agency (NSA) contractor Edward Snowden's leaks is beginning to publish a new batch of internal government documents from his archive.

The Intercept, co-founded by Glenn Greenwald, on Monday published the first of multiple installments of the NSA’s internal newsletters, which span a period of over a decade after the September 11, 2001, terror attacks.

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The publication released 166 documents, all from 2003, and will “periodically release batches until we have made public the entire set.”

“We encourage other journalists, researchers, and interested parties to comb through these documents, along with future published batches, to find additional material of interest,” wrote Greenwald, who did much of the original reporting on Snowden's leaked documents at The Guardian.

The newsletter, called SIDtoday, was intended to keep employees informed of what was happening inside the NSA’s Signals Intelligence Directorate.

Over 4,500 stories were posted on that website during its first nine years, according to The Intercept — stories that “allowed the agency’s spies to explain to each other, in a non-technical way, a surprising amount about what they were doing, how they were doing it and why.”

“The SIDtoday documents run a wide gamut: from serious, detailed reports on top secret NSA surveillance programs to breezy, trivial meanderings of analysts’ trips and vacations, with much in between,” Greenwald wrote on Monday.

“We believe these releases will enhance public understanding of these extremely powerful and secretive surveillance agencies."

The original reporting from the Snowden archive — first revealed in 2013 — exposed the scope of U.S. surveillance on both its citizens and abroad. Snowden, now living in Russia, has been criticized by some as a traitor while being praised by others as a whistleblower.

Some sensitive information has been removed from the published documents, according to The Intercept.

The publication allowed the NSA the opportunity to comment on the documents prior to Monday’s publication and redacted the names of low-level functionaries and “other information that could impose serious harm on innocent individuals,” according to Greenwald.

“From the time we began reporting on the archive ... we sought to fulfill [Snowden’s] two principal requests for how the materials should be handled,” Greenwald wrote Monday. “That they be released in conjunction with careful reporting that puts the documents in context and makes them digestible to the public, and that the welfare and reputations of innocent people be safeguarded.”