Black and white negatives of the opening of Expo 75.

Black and white negative of the opening of Expo 75.

Black and white negatives of the opening of Expo 75.

Black and white negatives of the opening of Expo 75.

Black and white negative of the opening of Expo 75. Negative missing.

Black and white negative passport photograph spares of a woman for Hugh Mescall.

Black and white negative of Expo 75 stands.

Black and white negative of Expo 75 stands.

Black and white negative of Expo 75 stands.

Black and white negative of Mr Thompson on a visit to Expo 75.