Synonyms of 'encyclical'

aerogram, airgraph, air letter, announcement, annunciation, billet-doux, Bull, bulletin board, chain letter, circular, dead letter, declaration, dimissory letter, drop letter, edict, enunciation, form letter, love letter, manifesto, monitory, newsletter, nixie, notice, open letter, pastoral letter, proclamation, program, pronouncement, pronunciamento, report, round robin, statement, ukase, white book, white paper