This dissertation discusses the building scenery in Campinas City, São Paulo State, Brazil, between the late 19 th century and the first three decades of the 20 th century.It reveals the production of builders who were not graduated, known by that time as licensed architects.Despite their intense activity, the permanence of their works through time and the existence of archives that document their projects, the licensed architects' works are nowadays taken as undetermined authorship.Thus, they are assigned to anonymous builders.This study proposes, on the one hand, a discussion based on the analysis of the extensive documentation located at the Municipal Archive of Campinas.This documentation is composed by building and renovating permit applications, with technical drawings, that reveal not only the extensive production of the licensed architects, but also their work's technical and formal qualities.On the other hand, the study investigates licensed architects' insertion the construction field.It reveals the first battles towards