Contents: Dynamical Systems and Recurrences. Generalities; Some Properties of One-Dimensional Recurrences (Maps); Myrberg's Results on the One-Dimensional Quadratic Recurrences. Their Consequences; The Box-Within-a-Box Bifurcations Structure and Its Consequences; Some Properties of Two-Dimensional Recurrences (Maps); Two-Dimensional Diffeomorphisms and the Foliated Box-Within-a-Box Bifurcations Structure; and other papers;