1. Teaching watercolor of a bone tumor and a microscopic view of the tissue Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
2. Teaching watercolor of a cartilaginous tumor of the humerus Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
3. Teaching watercolor of a large tumor on the humerus Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
4. Teaching watercolor of a woman with a large tumor on her humerus Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
5. Teaching watercolor of bone cancer in the skull Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
6. Teaching watercolor of bone cancer on the skull Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
7. Teaching watercolor of bone loss of the cranium caused by bone cancer and of a tibia with late stage bone cancer Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
8. Teaching watercolor of bone tumor in the hand Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
9. Teaching watercolor of diffuse suppuration in the head and shaft of the femur and an encephaloid tumor on the lower part of the same femur Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
10. Teaching watercolor of diseased bone Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
11. Teaching watercolor of exterior and interior views of a large bone tumor of the upper jaw which filled the cavities of the nose and orbits and extended into the cranium Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
12. Teaching watercolor of five views of a tumor of the skull and jaw Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
13. Teaching watercolor showing several views of tumors in the bone of the skull Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
14. Teaching watercolor of a mass on the femur near the knee and a microscopic view of the tissue Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
15. Large teaching watercolor of breast neoplasms in the skin and muscles of the breast Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
16. Teaching watercolor of a mass removed from the jaw of a male child and a microscopic view of the tissue Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
17. Teaching watercolor of a piece of tissue and a microscopic view Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
18. Teaching watercolor of a removed tumor and a microscopic view of the tissue Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
19. Teaching watercolor of a tumor in the mouth, including exterior views, dissected view, and view of tissue under a microscope Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)
20. Teaching watercolor of a tumor on the face of a woman Creator: Wallis, Oscar Format: Paintings Collection: Warren Anatomical Museum Date: 1848–1854 Institution: Center for the History of Medicine (Francis A. Countway Library of Medicine)