Original photograph of Constance Charlotte Lamb as a girl standing beside her mother, Maria Blanch Plunkett-Johnston. Printed on a cabinet card by Lafayette, 30 Westmoreland Street, Dublin.

Photograph of Constance Emily Shaw, daughter of Frederick Shaw. Printed by J Robinson and Sons Limited, Dublin.

Photograph of Constance Lamb with her young daughter Alice Lamb. Printed by Lafayette at 30 Westmoreland Street, Dublin.

Photographic portrait of Cléonice Gamble with flowers. Printed by J Robinson & Sons Limited of 65 Grafton Street, Dublin.

Photograph of young Cléonice Gamble. Printed by Werner & Son Artistsa at 39 Grafton Street, Dublin.

Photograph of Cleonice Cook Collin and her daughter Patricia Collin as a baby. Printed by Gibson Price Limited, Suffolk Street, Dublin .

Photograph of Charles Edward Johnston, seated with a microscope. Printed by James Robinson, Polytechnic Museum, 65 Grafton Street, Dublin.

Photograph of elderly Charles Bolton Johnston seated at a desk reading a book. Printed by Thomas Cranfield at 115 Grafton Street, Dublin.

Photograph of Charles Bolton Johnston. Printed by Thomas North, Photographer, 71 Grafton Street, Dublin.

Photographic portrait of a bearded man wearing a suit, mounted on gray backing. Printed by E Brook-Smith, 140 Stephen's Green, Dublin.