The astronomical almanac for the year ...

“…United States Government Printing Office ; H.M.S.O.,…”

The nautical almanac for the year ...

“…Issued by the Nautical Almanac Office, United States Naval Observatory under the authority of the Secretary of the Navy : For sale by the Supt. of Docs., U.S. G.P.O. ; H.M.S.O.,…”