Os diários de viagem do doutor Lacerda; a trama de referências no texto de um astrônomo paulista do final do século XVIII

This work deals with the readings of Francisco José de Lacerda e Almeida, 18th Century astronomer from Sao Paulo, including such readings in their own time, searching for the relationships with other texts and readings - in short, the intetextulality in Almeida's memoirs and voyage journals. The study of such relationships is defined by the many theoretical currents, closer to the studies of the arts and languages than historiography itself, in which it has become an empty statement. This is an attempt to come back, unsistematically, to the tradition build by structural linguistics, which has the text as its objects