File:RADM Yates Stirling, Jr. from a portrait by Mabel Buell.jpg

Summary
The edition followed in this transcription was the first, © 1939 by the author. That copyright, however, was not renewed in 1966 or 1967 as then required by law in order to be maintained. The work is thus in the public domain: details here on the copyright law involved.
 * Other information: