1965
Inc. Harold E. Edgerton, 1973
Inc. Harold E. Edgerton, 1938
Inc. Harold E. Edgerton, 1963
Inc. Harold E. Edgerton, 1957
Inc. Harold E. Edgerton, 1955
Inc. Harold E. Edgerton, 1960
Inc. Harold E. Edgerton, 1964