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J. Gordon Duff fonds Image With digital objects
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Callender's favorite compound dentrifice : a fragrant stimulating astringent and disinfectant
Callender's favorite compound dentrifice : a fragrant stimulating astringent and disinfectant
Callender's favorite compound dentrifice : for cleansing and preserving the teeth
Callender's favorite compound dentrifice : for cleansing and preserving the teeth
Photograph of George A. Burbidge in a medical sciences classroom
Photograph of George A. Burbidge in a medical sciences classroom
Photograph of J. Gordon Duff
Photograph of J. Gordon Duff
Portrait of George A. Burbidge
Portrait of George A. Burbidge
The Bark: Bagging sun-dried bark
The Bark: Bagging sun-dried bark
The Bark: Bud-grafting Ledgeriana and Succirubra
The Bark: Bud-grafting Ledgeriana and Succirubra
The Bark: Cardinal de Lugo
The Bark: Cardinal de Lugo
The Bark: Chinchona Officinalis
The Bark: Chinchona Officinalis
The Bark: Cutting bark off trunk
The Bark: Cutting bark off trunk
The Bark: Dr. Sydenham
The Bark: Dr. Sydenham
The Bark: Map of South America districts
The Bark: Map of South America districts
The Bark: New Monument to Pelletier and Caventou
The Bark: New Monument to Pelletier and Caventou
The Bark: Pelletier and Caventou
The Bark: Pelletier and Caventou
The Bark: Seedlings of C. Ledgeriana and C. succirubra
The Bark: Seedlings of C. Ledgeriana and C. succirubra
The Bark: Stripping bark from fallen tree
The Bark: Stripping bark from fallen tree
The Bark: The Count of Chinchon
The Bark: The Count of Chinchon
The Bark: The Countess of Chinchon
The Bark: The Countess of Chinchon