Douglas A.Downing...[et al.] Douglas Gunn...[et al.] Douglas Ehninger,... [et al.] Douglas A. Bernstein,...[et al.] Paul Harding...[et al.] William A. Ewing...[et al.] Louise Westling...[et al.] Charles Sterling...[et al.] Joanna Wong...[et al.] by Douglas Pancoast...[et al.]