- 4001- De La Howe staff retirees, April 28, 1971
- 4001- De La Howe staff retirees, April 28, 1971
- 4001- De La Howe staff retirees, April 28, 1971
- 4001- De La Howe staff retirees, April 28, 1971
- 4001- De La Howe staff retirees, April 28, 1971
- 4001- De La Howe staff retirees, April 28, 1971
- 4001- De La Howe staff retirees, April 28, 1971