Synonyms and related words :
Pastoral Epistle, aerogram, air letter, airgraph, announcement, annunciation, billet-doux, bull, bulletin board, chain letter, circular, communique, dead letter, declaration, dimissorial, dimissory letter, drop letter, edict, enunciation, fan letter, form letter, letter of credit, letter of introduction, letters credential, letters of marque, letters of request, letters overt, letters patent, letters rogatory, love letter, manifesto, monitory, newsletter, nixie, notice, notification, open letter, pastoral letter, poison-pen letter, position paper, proclamation, program, programma, pronouncement, pronunciamento, public notice, report, round robin, statement, ukase, white book, white paper