Hubert Krains [et al.] Hubert Krains...[et al.] Robert Franek...[et al.] Robert Jurmain ... [et al.]. Albert M. Craig,...[et al.] Robert E. Hinson ... [et al.] Robert O'neill…[et al.] Roberta Bernstein...[et al.] Robert Woods ... [et al.] Robert Blanchon,...[et al.]