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Dear Mr. McPherson,
Thank you for posting your request on History Hub!
Since the National Archives at College Park - Textual Reference (RDT2) also received your request and responded, we will not duplicate their efforts.
The library at the Naval War College has a copy of "History and Anecdotes...", as well. If you haven't already seen it, I also recommend the history of ONI by Jeffrey Dorwart. He talks about that office, though not at great length.