S-481-A (loose photographs)
- Officers of USS Peary (DD-226) in June 1936, when CDR Powell was relived of Com. Des. Div. 15 by CDR John L. Hall.
- US Naval Officers at Brazilian ceremony, 1939
- Meetings of the Brazilian Institute of History and Geography, included is Brazilian President Getulio Vargas, 1938.
-Various events and celebrations in Rio De Janerio, circa 1937-1939.
-Miscellaneous Brazilian views, mostly in Rio De Janerio Harbor
-Views of the Gavea Golf and Country Club, Rio De Janerio
-Views of Powell as Captain during early to mid-1940s, including a change of command ceremony aboard USS Mount Vernon (AP-22); with Australian Naval Officers at Sydney, 1943; and at other events.
-General personal and family photos taken in rural Virginia.
S-481-B (photo album)
Album of 144 snapshots of CDR and Mrs. Powell in Brazil, 1937-1939, while he was serving with the US Naval Mission to Brazil. Many of these views duplicate those in S-481-A. Subject matter consists of: Crossing the Line ceremonies (probably en route to Brazil in 1937); scenes in Rio De Janiero Harbor district (as seen seen from Powell’s apartment terrace); parties and events; general views and scenes in Rio; Gavea Golf and Country Club; various activities with friends and family.