Umberto Eco...[et al.] Umberto Eco...[et al. Robert Woods ... [et al.] Robert Blanchon,...[et al.] Robert A. LeVine ... [et al.] Robert E. Elcholz,...[et al.] Robert E. Hinson ... [et al.] Lauren Grieco...[et al.] Hubert Krains [et al.] Hubert Krains...[et al.]