The Collaborative International Dictionary of English v.0.48:

Annalist \An"nal*ist\, n. [Cf. F. annaliste.]
   A writer of annals.
   [1913 Webster]

         The monks . . . were the only annalists in those ages.
                                                  --Hume.
   [1913 Webster]

WordNet (r) 3.0 (2006):

annalist
    n 1: a historian who writes annals

Moby Thesaurus II by Grady Ward, 1.0:

73 Moby Thesaurus words for "annalist":
   Boswell, advertising writer, art critic, author, authoress,
   autobiographer, autobiographist, belletrist, bibliographer,
   biographer, calendar maker, calendarist, chronicler, chronographer,
   chronologer, chronologist, clockmaker, coauthor, collaborator,
   columnist, compiler, composer, copywriter, creative writer, critic,
   dance critic, diarist, drama critic, dramatist, encyclopedist,
   essayist, free lance, free-lance writer, genealogist, ghost,
   ghostwriter, historian, historiographer, horologist, humorist,
   inditer, literary artist, literary craftsman, literary critic,
   literary man, litterateur, logographer, magazine writer,
   man of letters, memorialist, monographer, music critic,
   newspaperman, novelettist, novelist, pamphleteer, penwoman, poet,
   prose writer, reviewer, scenario writer, scenarist, scribe,
   scriptwriter, short-story writer, storyteller, technical writer,
   timekeeper, timer, watchmaker, word painter, wordsmith, writer