Crossword puzzle clue "dog who works as a secretary"

Works and works and works

Dog who works as a secretary?

___ Secretary (term of address for Hillary Clinton when she was Secretary of State)

Prime minister whose former secretary became U.N. Secretary-General in 1961

One who works with works

Works on authors' works

Place for works that are in the works ... or what the message formed by the connected letters is?

Dog who works as an astronaut?