Results for "Cassidy, Michael W."
- Finding Aid
SIA Acc. 90-105, Science Service, Records, 1920s-1970s
- Date: 1920 1920-1970 1920s-1970s
- Creator: Science Service
- Creator: Smithsonian Institution Archives
- Finding Aid
SIA Acc. 98-100, Smithsonian Astrophysical Observatory Office of the Director, Subject Files, circa 1966-1994
- Date: 1966 1966-1994 circa 1966-1994
- Creator: Smithsonian Astrophysical Observatory. Office of the Director
- Creator: Smithsonian Institution Archives
- Finding Aid
SIA RU007091, Science Service, Records, circa 1910-1963
- Date: 1910 1910-1963 circa 1910-1963
- Creator: Science Service
- Creator: Smithsonian Institution Archives
- Finding Aid
SIA RU000326, National Zoological Park (U.S.) Office of the Director, Records, circa 1920-1984
- Date: 1920 1920-1984 circa 1920-1984
- Creator: National Zoological Park. Office of the Director
- Creator: Smithsonian Institution Archives