Tipos de cartas
-:- res privatæ -:-
- AMOR LÓPEZ, Sílvia (2015) La pràctica epistolar a Catalunya (1700-1850): usos de la carta familiar.
- PLATH, Sylvia (1932-1963)
- LUCAS, Isabel (2017) A vida epistolar de Sylvia Plath é publicada para desafiar o mito.
- SILVA, Jane (2002) Um estudo sobre o gênero carta pessoal: das práticas comunicativas aos indícios de interatividade na escrita dos textos.
-:- ex officio -:-
(written by some person acting in an official capacity, like safe-conducts, notifications, injunctions, etc.)Arquivo Nacional Torre do Tombo - Correspondência de soberanos.
-:- ex labore -:-
(written by a professional, concerning matters of his art, science or expertise)
-:- ex negotio -:-
(business correspondence)- HILDEBRANDT, Herbert W. (1985) A 16th century work on communication: Precursor of modern business communication.
- LUND, Roger D. (1998) Writing the history of business communication: the example of Defoe.
- TEBEAUX, Elizabeth (1992) Renaissance Epistolography and the Origins of Business Correspondence, 1568-1640.
