Photographs and negatives of certificates awarded to Winnie Hughes by Co-operative Union, Education Department Junior Grade Examination Stage One, on the subject of Co-operation, 17 Mar 1930 Stage I Junior Grade Class, on the subject of Co-operation, no date Junior Grade Examination Stage Two, on the subject of Co-operation, 5 Mar 1931 Stage II Junior Grade Class, on the subject of Co-operation, no date [colour, 7 prints, 178mm x 127mm, 250mm x 202mm and 253mm x 202mm; colour, 4 negatives, 35mm film] c17 Mar 1930-c5 Mar 1931